Release clang18 #3

https://github.com/yandex/toolchain-registry/releases/tag/clang18-v3
commit_hash:242ab0166e0b3ae29fd381117df005246a4e4eb9

6 files changed, 1444 insertions, 0 deletions

diff --git a/contrib/libs/clang18-rt/include/sanitizer/asan_interface.h b/contrib/libs/clang18-rt/include/sanitizer/asan_interface.h
new file mode 100644
index 0000000000..37b6d08f4d
--- /dev/null
+++ b/contrib/libs/clang18-rt/include/sanitizer/asan_interface.h
@@ -0,0 +1,340 @@
+//===-- sanitizer/asan_interface.h ------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of AddressSanitizer (ASan).
+//
+// Public interface header.
+//===----------------------------------------------------------------------===//
+#ifndef SANITIZER_ASAN_INTERFACE_H
+#define SANITIZER_ASAN_INTERFACE_H
+
+#include <sanitizer/common_interface_defs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+/// Marks a memory region (<c>[addr, addr+size)</c>) as unaddressable.
+///
+/// This memory must be previously allocated by your program. Instrumented
+/// code is forbidden from accessing addresses in this region until it is
+/// unpoisoned. This function is not guaranteed to poison the entire region -
+/// it could poison only a subregion of <c>[addr, addr+size)</c> due to ASan
+/// alignment restrictions.
+///
+/// \note This function is not thread-safe because no two threads can poison or
+/// unpoison memory in the same memory region simultaneously.
+///
+/// \param addr Start of memory region.
+/// \param size Size of memory region.
+void SANITIZER_CDECL __asan_poison_memory_region(void const volatile *addr,
+                                                 size_t size);
+
+/// Marks a memory region (<c>[addr, addr+size)</c>) as addressable.
+///
+/// This memory must be previously allocated by your program. Accessing
+/// addresses in this region is allowed until this region is poisoned again.
+/// This function could unpoison a super-region of <c>[addr, addr+size)</c> due
+/// to ASan alignment restrictions.
+///
+/// \note This function is not thread-safe because no two threads can
+/// poison or unpoison memory in the same memory region simultaneously.
+///
+/// \param addr Start of memory region.
+/// \param size Size of memory region.
+void SANITIZER_CDECL __asan_unpoison_memory_region(void const volatile *addr,
+                                                   size_t size);
+
+// Macros provided for convenience.
+#ifdef __has_feature
+#if __has_feature(address_sanitizer)
+#define ASAN_DEFINE_REGION_MACROS
+#endif
+#elif defined(__SANITIZE_ADDRESS__)
+#define ASAN_DEFINE_REGION_MACROS
+#endif
+
+#ifdef ASAN_DEFINE_REGION_MACROS
+/// Marks a memory region as unaddressable.
+///
+/// \note Macro provided for convenience; defined as a no-op if ASan is not
+/// enabled.
+///
+/// \param addr Start of memory region.
+/// \param size Size of memory region.
+#define ASAN_POISON_MEMORY_REGION(addr, size)                                  \
+  __asan_poison_memory_region((addr), (size))
+
+/// Marks a memory region as addressable.
+///
+/// \note Macro provided for convenience; defined as a no-op if ASan is not
+/// enabled.
+///
+/// \param addr Start of memory region.
+/// \param size Size of memory region.
+#define ASAN_UNPOISON_MEMORY_REGION(addr, size)                                \
+  __asan_unpoison_memory_region((addr), (size))
+#else
+#define ASAN_POISON_MEMORY_REGION(addr, size) ((void)(addr), (void)(size))
+#define ASAN_UNPOISON_MEMORY_REGION(addr, size) ((void)(addr), (void)(size))
+#endif
+#undef ASAN_DEFINE_REGION_MACROS
+
+/// Checks if an address is poisoned.
+///
+/// Returns 1 if <c><i>addr</i></c> is poisoned (that is, 1-byte read/write
+/// access to this address would result in an error report from ASan).
+/// Otherwise returns 0.
+///
+/// \param addr Address to check.
+///
+/// \retval 1 Address is poisoned.
+/// \retval 0 Address is not poisoned.
+int SANITIZER_CDECL __asan_address_is_poisoned(void const volatile *addr);
+
+/// Checks if a region is poisoned.
+///
+/// If at least one byte in <c>[beg, beg+size)</c> is poisoned, returns the
+/// address of the first such byte. Otherwise returns 0.
+///
+/// \param beg Start of memory region.
+/// \param size Start of memory region.
+/// \returns Address of first poisoned byte.
+void *SANITIZER_CDECL __asan_region_is_poisoned(void *beg, size_t size);
+
+/// Describes an address (useful for calling from the debugger).
+///
+/// Prints the description of <c><i>addr</i></c>.
+///
+/// \param addr Address to describe.
+void SANITIZER_CDECL __asan_describe_address(void *addr);
+
+/// Checks if an error has been or is being reported (useful for calling from
+/// the debugger to get information about an ASan error).
+///
+/// Returns 1 if an error has been (or is being) reported. Otherwise returns 0.
+///
+/// \returns 1 if an error has been (or is being) reported. Otherwise returns
+/// 0.
+int SANITIZER_CDECL __asan_report_present(void);
+
+/// Gets the PC (program counter) register value of an ASan error (useful for
+/// calling from the debugger).
+///
+/// Returns PC if an error has been (or is being) reported.
+/// Otherwise returns 0.
+///
+/// \returns PC value.
+void *SANITIZER_CDECL __asan_get_report_pc(void);
+
+/// Gets the BP (base pointer) register value of an ASan error (useful for
+/// calling from the debugger).
+///
+/// Returns BP if an error has been (or is being) reported.
+/// Otherwise returns 0.
+///
+/// \returns BP value.
+void *SANITIZER_CDECL __asan_get_report_bp(void);
+
+/// Gets the SP (stack pointer) register value of an ASan error (useful for
+/// calling from the debugger).
+///
+/// If an error has been (or is being) reported, returns SP.
+/// Otherwise returns 0.
+///
+/// \returns SP value.
+void *SANITIZER_CDECL __asan_get_report_sp(void);
+
+/// Gets the address of the report buffer of an ASan error (useful for calling
+/// from the debugger).
+///
+/// Returns the address of the report buffer if an error has been (or is being)
+/// reported. Otherwise returns 0.
+///
+/// \returns Address of report buffer.
+void *SANITIZER_CDECL __asan_get_report_address(void);
+
+/// Gets access type of an ASan error (useful for calling from the debugger).
+///
+/// Returns access type (read or write) if an error has been (or is being)
+/// reported. Otherwise returns 0.
+///
+/// \returns Access type (0 = read, 1 = write).
+int SANITIZER_CDECL __asan_get_report_access_type(void);
+
+/// Gets access size of an ASan error (useful for calling from the debugger).
+///
+/// Returns access size if an error has been (or is being) reported. Otherwise
+/// returns 0.
+///
+/// \returns Access size in bytes.
+size_t SANITIZER_CDECL __asan_get_report_access_size(void);
+
+/// Gets the bug description of an ASan error (useful for calling from a
+/// debugger).
+///
+/// \returns Returns a bug description if an error has been (or is being)
+/// reported - for example, "heap-use-after-free". Otherwise returns an empty
+/// string.
+const char *SANITIZER_CDECL __asan_get_report_description(void);
+
+/// Gets information about a pointer (useful for calling from the debugger).
+///
+/// Returns the category of the given pointer as a constant string.
+/// Possible return values are <c>global</c>, <c>stack</c>, <c>stack-fake</c>,
+/// <c>heap</c>, <c>heap-invalid</c>, <c>shadow-low</c>, <c>shadow-gap</c>,
+/// <c>shadow-high</c>, and <c>unknown</c>.
+///
+/// If the return value is <c>global</c> or <c>stack</c>, tries to also return
+/// the variable name, address, and size. If the return value is <c>heap</c>,
+/// tries to return the chunk address and size. <c><i>name</i></c> should point
+/// to an allocated buffer of size <c><i>name_size</i></c>.
+///
+/// \param addr Address to locate.
+/// \param name Buffer to store the variable's name.
+/// \param name_size Size in bytes of the variable's name buffer.
+/// \param[out] region_address Address of the region.
+/// \param[out] region_size Size of the region in bytes.
+///
+/// \returns Returns the category of the given pointer as a constant string.
+const char *SANITIZER_CDECL __asan_locate_address(void *addr, char *name,
+                                                  size_t name_size,
+                                                  void **region_address,
+                                                  size_t *region_size);
+
+/// Gets the allocation stack trace and thread ID for a heap address (useful
+/// for calling from the debugger).
+///
+/// Stores up to <c><i>size</i></c> frames in <c><i>trace</i></c>. Returns
+/// the number of stored frames or 0 on error.
+///
+/// \param addr A heap address.
+/// \param trace A buffer to store the stack trace.
+/// \param size Size in bytes of the trace buffer.
+/// \param[out] thread_id The thread ID of the address.
+///
+/// \returns Returns the number of stored frames or 0 on error.
+size_t SANITIZER_CDECL __asan_get_alloc_stack(void *addr, void **trace,
+                                              size_t size, int *thread_id);
+
+/// Gets the free stack trace and thread ID for a heap address (useful for
+/// calling from the debugger).
+///
+/// Stores up to <c><i>size</i></c> frames in <c><i>trace</i></c>. Returns
+/// the number of stored frames or 0 on error.
+///
+/// \param addr A heap address.
+/// \param trace A buffer to store the stack trace.
+/// \param size Size in bytes of the trace buffer.
+/// \param[out] thread_id The thread ID of the address.
+///
+/// \returns Returns the number of stored frames or 0 on error.
+size_t SANITIZER_CDECL __asan_get_free_stack(void *addr, void **trace,
+                                             size_t size, int *thread_id);
+
+/// Gets the current shadow memory mapping (useful for calling from the
+/// debugger).
+///
+/// \param[out] shadow_scale Shadow scale value.
+/// \param[out] shadow_offset Offset value.
+void SANITIZER_CDECL __asan_get_shadow_mapping(size_t *shadow_scale,
+                                               size_t *shadow_offset);
+
+/// This is an internal function that is called to report an error. However,
+/// it is still a part of the interface because you might want to set a
+/// breakpoint on this function in the debugger.
+///
+/// \param pc <c><i>pc</i></c> value of the ASan error.
+/// \param bp <c><i>bp</i></c> value of the ASan error.
+/// \param sp <c><i>sp</i></c> value of the ASan error.
+/// \param addr Address of the ASan error.
+/// \param is_write True if the error is a write error; false otherwise.
+/// \param access_size Size of the memory access of the ASan error.
+void SANITIZER_CDECL __asan_report_error(void *pc, void *bp, void *sp,
+                                         void *addr, int is_write,
+                                         size_t access_size);
+
+// Deprecated. Call __sanitizer_set_death_callback instead.
+void SANITIZER_CDECL __asan_set_death_callback(void (*callback)(void));
+
+/// Sets the callback function to be called during ASan error reporting.
+///
+/// The callback provides a string pointer to the report.
+///
+/// \param callback User-provided function.
+void SANITIZER_CDECL
+__asan_set_error_report_callback(void (*callback)(const char *));
+
+/// User-provided callback on ASan errors.
+///
+/// You can provide a function that would be called immediately when ASan
+/// detects an error. This is useful in cases when ASan detects an error but
+/// your program crashes before the ASan report is printed.
+void SANITIZER_CDECL __asan_on_error(void);
+
+/// Prints accumulated statistics to <c>stderr</c> (useful for calling from the
+/// debugger).
+void SANITIZER_CDECL __asan_print_accumulated_stats(void);
+
+/// User-provided default option settings.
+///
+/// You can provide your own implementation of this function to return a string
+/// containing ASan runtime options (for example,
+/// <c>verbosity=1:halt_on_error=0</c>).
+///
+/// \returns Default options string.
+const char *SANITIZER_CDECL __asan_default_options(void);
+
+// The following two functions facilitate garbage collection in presence of
+// ASan's fake stack.
+
+/// Gets an opaque handler to the current thread's fake stack.
+///
+/// Returns an opaque handler to be used by
+/// <c>__asan_addr_is_in_fake_stack()</c>. Returns NULL if the current thread
+/// does not have a fake stack.
+///
+/// \returns An opaque handler to the fake stack or NULL.
+void *SANITIZER_CDECL __asan_get_current_fake_stack(void);
+
+/// Checks if an address belongs to a given fake stack.
+///
+/// If <c><i>fake_stack</i></c> is non-NULL and <c><i>addr</i></c> belongs to a
+/// fake frame in <c><i>fake_stack</i></c>, returns the address of the real
+/// stack that corresponds to the fake frame and sets <c><i>beg</i></c> and
+/// <c><i>end</i></c> to the boundaries of this fake frame. Otherwise returns
+/// NULL and does not touch <c><i>beg</i></c> and <c><i>end</i></c>.
+///
+/// If <c><i>beg</i></c> or <c><i>end</i></c> are NULL, they are not touched.
+///
+/// \note This function can be called from a thread other than the owner of
+/// <c><i>fake_stack</i></c>, but the owner thread needs to be alive.
+///
+/// \param fake_stack An opaque handler to a fake stack.
+/// \param addr Address to test.
+/// \param[out] beg Beginning of fake frame.
+/// \param[out] end End of fake frame.
+/// \returns Stack address or NULL.
+void *SANITIZER_CDECL __asan_addr_is_in_fake_stack(void *fake_stack, void *addr,
+                                                   void **beg, void **end);
+
+/// Performs shadow memory cleanup of the current thread's stack before a
+/// function marked with the <c>[[noreturn]]</c> attribute is called.
+///
+/// To avoid false positives on the stack, must be called before no-return
+/// functions like <c>_exit()</c> and <c>execl()</c>.
+void SANITIZER_CDECL __asan_handle_no_return(void);
+
+/// Update allocation stack trace for the given allocation to the current stack
+/// trace. Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __asan_update_allocation_context(void *addr);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // SANITIZER_ASAN_INTERFACE_H
diff --git a/contrib/libs/clang18-rt/include/sanitizer/common_interface_defs.h b/contrib/libs/clang18-rt/include/sanitizer/common_interface_defs.h
new file mode 100644
index 0000000000..f9fce595b3
--- /dev/null
+++ b/contrib/libs/clang18-rt/include/sanitizer/common_interface_defs.h
@@ -0,0 +1,455 @@
+//===-- sanitizer/common_interface_defs.h -----------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Common part of the public sanitizer interface.
+//===----------------------------------------------------------------------===//
+
+#ifndef SANITIZER_COMMON_INTERFACE_DEFS_H
+#define SANITIZER_COMMON_INTERFACE_DEFS_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+// Windows allows a user to set their default calling convention, but we always
+// use __cdecl
+#ifdef _WIN32
+#define SANITIZER_CDECL __cdecl
+#else
+#define SANITIZER_CDECL
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+// Arguments for __sanitizer_sandbox_on_notify() below.
+typedef struct {
+  // Enable sandbox support in sanitizer coverage.
+  int coverage_sandboxed;
+  // File descriptor to write coverage data to. If -1 is passed, a file will
+  // be pre-opened by __sanitizer_sandbox_on_notify(). This field has no
+  // effect if coverage_sandboxed == 0.
+  intptr_t coverage_fd;
+  // If non-zero, split the coverage data into well-formed blocks. This is
+  // useful when coverage_fd is a socket descriptor. Each block will contain
+  // a header, allowing data from multiple processes to be sent over the same
+  // socket.
+  unsigned int coverage_max_block_size;
+} __sanitizer_sandbox_arguments;
+
+// Tell the tools to write their reports to "path.<pid>" instead of stderr.
+void SANITIZER_CDECL __sanitizer_set_report_path(const char *path);
+// Tell the tools to write their reports to the provided file descriptor
+// (casted to void *).
+void SANITIZER_CDECL __sanitizer_set_report_fd(void *fd);
+// Get the current full report file path, if a path was specified by
+// an earlier call to __sanitizer_set_report_path. Returns null otherwise.
+const char *SANITIZER_CDECL __sanitizer_get_report_path();
+
+// Notify the tools that the sandbox is going to be turned on. The reserved
+// parameter will be used in the future to hold a structure with functions
+// that the tools may call to bypass the sandbox.
+void SANITIZER_CDECL
+__sanitizer_sandbox_on_notify(__sanitizer_sandbox_arguments *args);
+
+// This function is called by the tool when it has just finished reporting
+// an error. 'error_summary' is a one-line string that summarizes
+// the error message. This function can be overridden by the client.
+void SANITIZER_CDECL
+__sanitizer_report_error_summary(const char *error_summary);
+
+// Some of the sanitizers (for example ASan/TSan) could miss bugs that happen
+// in unaligned loads/stores. To find such bugs reliably, you need to replace
+// plain unaligned loads/stores with these calls.
+
+/// Loads a 16-bit unaligned value.
+//
+/// \param p Pointer to unaligned memory.
+///
+/// \returns Loaded value.
+uint16_t SANITIZER_CDECL __sanitizer_unaligned_load16(const void *p);
+
+/// Loads a 32-bit unaligned value.
+///
+/// \param p Pointer to unaligned memory.
+///
+/// \returns Loaded value.
+uint32_t SANITIZER_CDECL __sanitizer_unaligned_load32(const void *p);
+
+/// Loads a 64-bit unaligned value.
+///
+/// \param p Pointer to unaligned memory.
+///
+/// \returns Loaded value.
+uint64_t SANITIZER_CDECL __sanitizer_unaligned_load64(const void *p);
+
+/// Stores a 16-bit unaligned value.
+///
+/// \param p Pointer to unaligned memory.
+/// \param x 16-bit value to store.
+void SANITIZER_CDECL __sanitizer_unaligned_store16(void *p, uint16_t x);
+
+/// Stores a 32-bit unaligned value.
+///
+/// \param p Pointer to unaligned memory.
+/// \param x 32-bit value to store.
+void SANITIZER_CDECL __sanitizer_unaligned_store32(void *p, uint32_t x);
+
+/// Stores a 64-bit unaligned value.
+///
+/// \param p Pointer to unaligned memory.
+/// \param x 64-bit value to store.
+void SANITIZER_CDECL __sanitizer_unaligned_store64(void *p, uint64_t x);
+
+// Returns 1 on the first call, then returns 0 thereafter.  Called by the tool
+// to ensure only one report is printed when multiple errors occur
+// simultaneously.
+int SANITIZER_CDECL __sanitizer_acquire_crash_state();
+
+/// Annotates the current state of a contiguous container, such as
+/// <c>std::vector</c>, <c>std::string</c>, or similar.
+///
+/// A contiguous container is a container that keeps all of its elements
+/// in a contiguous region of memory. The container owns the region of memory
+/// <c>[beg, end)</c>; the memory <c>[beg, mid)</c> is used to store the
+/// current elements, and the memory <c>[mid, end)</c> is reserved for future
+/// elements (<c>beg <= mid <= end</c>). For example, in
+/// <c>std::vector<> v</c>:
+///
+/// \code
+///   beg = &v[0];
+///   end = beg + v.capacity() * sizeof(v[0]);
+///   mid = beg + v.size()     * sizeof(v[0]);
+/// \endcode
+///
+/// This annotation tells the Sanitizer tool about the current state of the
+/// container so that the tool can report errors when memory from
+/// <c>[mid, end)</c> is accessed. Insert this annotation into methods like
+/// <c>push_back()</c> or <c>pop_back()</c>. Supply the old and new values of
+/// <c>mid</c>(<c><i>old_mid</i></c> and <c><i>new_mid</i></c>). In the initial
+/// state <c>mid == end</c>, so that should be the final state when the
+/// container is destroyed or when the container reallocates the storage.
+///
+/// For ASan, <c><i>beg</i></c> no longer needs to be 8-aligned,
+/// first and last granule may be shared with other objects
+/// and therefore the function can be used for any allocator.
+///
+/// The following example shows how to use the function:
+///
+/// \code
+///   int32_t x[3]; // 12 bytes
+///   char *beg = (char*)&x[0];
+///   char *end = beg + 12;
+///   __sanitizer_annotate_contiguous_container(beg, end, beg, end);
+/// \endcode
+///
+/// \note  Use this function with caution and do not use for anything other
+/// than vector-like classes.
+/// \note  Unaligned <c><i>beg</i></c> or <c><i>end</i></c> may miss bugs in
+/// these granules.
+///
+/// \param beg Beginning of memory region.
+/// \param end End of memory region.
+/// \param old_mid Old middle of memory region.
+/// \param new_mid New middle of memory region.
+void SANITIZER_CDECL __sanitizer_annotate_contiguous_container(
+    const void *beg, const void *end, const void *old_mid, const void *new_mid);
+
+/// Similar to <c>__sanitizer_annotate_contiguous_container</c>.
+///
+/// Annotates the current state of a contiguous container memory,
+/// such as <c>std::deque</c>'s single chunk, when the boundries are moved.
+///
+/// A contiguous chunk is a chunk that keeps all of its elements
+/// in a contiguous region of memory. The container owns the region of memory
+/// <c>[storage_beg, storage_end)</c>; the memory <c>[container_beg,
+/// container_end)</c> is used to store the current elements, and the memory
+/// <c>[storage_beg, container_beg), [container_end, storage_end)</c> is
+/// reserved for future elements (<c>storage_beg <= container_beg <=
+/// container_end <= storage_end</c>). For example, in <c> std::deque </c>:
+/// - chunk with a frist deques element will have container_beg equal to address
+///  of the first element.
+/// - in every next chunk with elements, true is  <c> container_beg ==
+/// storage_beg </c>.
+///
+/// Argument requirements:
+/// During unpoisoning memory of empty container (before first element is
+/// added):
+/// - old_container_beg_p == old_container_end_p
+/// During poisoning after last element was removed:
+/// - new_container_beg_p == new_container_end_p
+/// \param storage_beg Beginning of memory region.
+/// \param storage_end End of memory region.
+/// \param old_container_beg Old beginning of used region.
+/// \param old_container_end End of used region.
+/// \param new_container_beg New beginning of used region.
+/// \param new_container_end New end of used region.
+void SANITIZER_CDECL __sanitizer_annotate_double_ended_contiguous_container(
+    const void *storage_beg, const void *storage_end,
+    const void *old_container_beg, const void *old_container_end,
+    const void *new_container_beg, const void *new_container_end);
+
+/// Returns true if the contiguous container <c>[beg, end)</c> is properly
+/// poisoned.
+///
+/// Proper poisoning could occur, for example, with
+/// <c>__sanitizer_annotate_contiguous_container</c>), that is, if
+/// <c>[beg, mid)</c> is addressable and <c>[mid, end)</c> is unaddressable.
+/// Full verification requires O (<c>end - beg</c>) time; this function tries
+/// to avoid such complexity by touching only parts of the container around
+/// <c><i>beg</i></c>, <c><i>mid</i></c>, and <c><i>end</i></c>.
+///
+/// \param beg Beginning of memory region.
+/// \param mid Middle of memory region.
+/// \param end Old end of memory region.
+///
+/// \returns True if the contiguous container <c>[beg, end)</c> is properly
+///  poisoned.
+int SANITIZER_CDECL __sanitizer_verify_contiguous_container(const void *beg,
+                                                            const void *mid,
+                                                            const void *end);
+
+/// Returns true if the double ended contiguous
+/// container <c>[storage_beg, storage_end)</c> is properly poisoned.
+///
+/// Proper poisoning could occur, for example, with
+/// <c>__sanitizer_annotate_double_ended_contiguous_container</c>), that is, if
+/// <c>[storage_beg, container_beg)</c> is not addressable, <c>[container_beg,
+/// container_end)</c> is addressable and <c>[container_end, end)</c> is
+/// unaddressable. Full verification requires O (<c>storage_end -
+/// storage_beg</c>) time; this function tries to avoid such complexity by
+/// touching only parts of the container around <c><i>storage_beg</i></c>,
+/// <c><i>container_beg</i></c>, <c><i>container_end</i></c>, and
+/// <c><i>storage_end</i></c>.
+///
+/// \param storage_beg Beginning of memory region.
+/// \param container_beg Beginning of used region.
+/// \param container_end End of used region.
+/// \param storage_end End of memory region.
+///
+/// \returns True if the double-ended contiguous container <c>[storage_beg,
+/// container_beg, container_end, end)</c> is properly poisoned - only
+/// [container_beg; container_end) is addressable.
+int SANITIZER_CDECL __sanitizer_verify_double_ended_contiguous_container(
+    const void *storage_beg, const void *container_beg,
+    const void *container_end, const void *storage_end);
+
+/// Similar to <c>__sanitizer_verify_contiguous_container()</c> but also
+/// returns the address of the first improperly poisoned byte.
+///
+/// Returns NULL if the area is poisoned properly.
+///
+/// \param beg Beginning of memory region.
+/// \param mid Middle of memory region.
+/// \param end Old end of memory region.
+///
+/// \returns The bad address or NULL.
+const void *SANITIZER_CDECL __sanitizer_contiguous_container_find_bad_address(
+    const void *beg, const void *mid, const void *end);
+
+/// returns the address of the first improperly poisoned byte.
+///
+/// Returns NULL if the area is poisoned properly.
+///
+/// \param storage_beg Beginning of memory region.
+/// \param container_beg Beginning of used region.
+/// \param container_end End of used region.
+/// \param storage_end End of memory region.
+///
+/// \returns The bad address or NULL.
+const void *SANITIZER_CDECL
+__sanitizer_double_ended_contiguous_container_find_bad_address(
+    const void *storage_beg, const void *container_beg,
+    const void *container_end, const void *storage_end);
+
+/// Prints the stack trace leading to this call (useful for calling from the
+/// debugger).
+void SANITIZER_CDECL __sanitizer_print_stack_trace(void);
+
+// Symbolizes the supplied 'pc' using the format string 'fmt'.
+// Outputs at most 'out_buf_size' bytes into 'out_buf'.
+// If 'out_buf' is not empty then output is zero or more non empty C strings
+// followed by single empty C string. Multiple strings can be returned if PC
+// corresponds to inlined function. Inlined frames are printed in the order
+// from "most-inlined" to the "least-inlined", so the last frame should be the
+// not inlined function.
+// Inlined frames can be removed with 'symbolize_inline_frames=0'.
+// The format syntax is described in
+// lib/sanitizer_common/sanitizer_stacktrace_printer.h.
+void SANITIZER_CDECL __sanitizer_symbolize_pc(void *pc, const char *fmt,
+                                              char *out_buf,
+                                              size_t out_buf_size);
+// Same as __sanitizer_symbolize_pc, but for data section (i.e. globals).
+void SANITIZER_CDECL __sanitizer_symbolize_global(void *data_ptr,
+                                                  const char *fmt,
+                                                  char *out_buf,
+                                                  size_t out_buf_size);
+// Determine the return address.
+#if !defined(_MSC_VER) || defined(__clang__)
+#define __sanitizer_return_address()                                           \
+  __builtin_extract_return_addr(__builtin_return_address(0))
+#else
+void *_ReturnAddress(void);
+#pragma intrinsic(_ReturnAddress)
+#define __sanitizer_return_address() _ReturnAddress()
+#endif
+
+/// Sets the callback to be called immediately before death on error.
+///
+/// Passing 0 will unset the callback.
+///
+/// \param callback User-provided callback.
+void SANITIZER_CDECL __sanitizer_set_death_callback(void (*callback)(void));
+
+// Interceptor hooks.
+// Whenever a libc function interceptor is called, it checks if the
+// corresponding weak hook is defined, and calls it if it is indeed defined.
+// The primary use-case is data-flow-guided fuzzing, where the fuzzer needs
+// to know what is being passed to libc functions (for example memcmp).
+// FIXME: implement more hooks.
+
+/// Interceptor hook for <c>memcmp()</c>.
+///
+/// \param called_pc PC (program counter) address of the original call.
+/// \param s1 Pointer to block of memory.
+/// \param s2 Pointer to block of memory.
+/// \param n Number of bytes to compare.
+/// \param result Value returned by the intercepted function.
+void SANITIZER_CDECL __sanitizer_weak_hook_memcmp(void *called_pc,
+                                                  const void *s1,
+                                                  const void *s2, size_t n,
+                                                  int result);
+
+/// Interceptor hook for <c>strncmp()</c>.
+///
+/// \param called_pc PC (program counter) address of the original call.
+/// \param s1 Pointer to block of memory.
+/// \param s2 Pointer to block of memory.
+/// \param n Number of bytes to compare.
+/// \param result Value returned by the intercepted function.
+void SANITIZER_CDECL __sanitizer_weak_hook_strncmp(void *called_pc,
+                                                   const char *s1,
+                                                   const char *s2, size_t n,
+                                                   int result);
+
+/// Interceptor hook for <c>strncasecmp()</c>.
+///
+/// \param called_pc PC (program counter) address of the original call.
+/// \param s1 Pointer to block of memory.
+/// \param s2 Pointer to block of memory.
+/// \param n Number of bytes to compare.
+/// \param result Value returned by the intercepted function.
+void SANITIZER_CDECL __sanitizer_weak_hook_strncasecmp(void *called_pc,
+                                                       const char *s1,
+                                                       const char *s2, size_t n,
+                                                       int result);
+
+/// Interceptor hook for <c>strcmp()</c>.
+///
+/// \param called_pc PC (program counter) address of the original call.
+/// \param s1 Pointer to block of memory.
+/// \param s2 Pointer to block of memory.
+/// \param result Value returned by the intercepted function.
+void SANITIZER_CDECL __sanitizer_weak_hook_strcmp(void *called_pc,
+                                                  const char *s1,
+                                                  const char *s2, int result);
+
+/// Interceptor hook for <c>strcasecmp()</c>.
+///
+/// \param called_pc PC (program counter) address of the original call.
+/// \param s1 Pointer to block of memory.
+/// \param s2 Pointer to block of memory.
+/// \param result Value returned by the intercepted function.
+void SANITIZER_CDECL __sanitizer_weak_hook_strcasecmp(void *called_pc,
+                                                      const char *s1,
+                                                      const char *s2,
+                                                      int result);
+
+/// Interceptor hook for <c>strstr()</c>.
+///
+/// \param called_pc PC (program counter) address of the original call.
+/// \param s1 Pointer to block of memory.
+/// \param s2 Pointer to block of memory.
+/// \param result Value returned by the intercepted function.
+void SANITIZER_CDECL __sanitizer_weak_hook_strstr(void *called_pc,
+                                                  const char *s1,
+                                                  const char *s2, char *result);
+
+void SANITIZER_CDECL __sanitizer_weak_hook_strcasestr(void *called_pc,
+                                                      const char *s1,
+                                                      const char *s2,
+                                                      char *result);
+
+void SANITIZER_CDECL __sanitizer_weak_hook_memmem(void *called_pc,
+                                                  const void *s1, size_t len1,
+                                                  const void *s2, size_t len2,
+                                                  void *result);
+
+// Prints stack traces for all live heap allocations ordered by total
+// allocation size until top_percent of total live heap is shown. top_percent
+// should be between 1 and 100. At most max_number_of_contexts contexts
+// (stack traces) are printed.
+// Experimental feature currently available only with ASan on Linux/x86_64.
+void SANITIZER_CDECL __sanitizer_print_memory_profile(
+    size_t top_percent, size_t max_number_of_contexts);
+
+/// Notify ASan that a fiber switch has started (required only if implementing
+/// your own fiber library).
+///
+/// Before switching to a different stack, you must call
+/// <c>__sanitizer_start_switch_fiber()</c> with a pointer to the bottom of the
+/// destination stack and with its size. When code starts running on the new
+/// stack, it must call <c>__sanitizer_finish_switch_fiber()</c> to finalize
+/// the switch. The <c>__sanitizer_start_switch_fiber()</c> function takes a
+/// <c>void**</c> pointer argument to store the current fake stack if there is
+/// one (it is necessary when the runtime option
+/// <c>detect_stack_use_after_return</c> is enabled).
+///
+/// When restoring a stack, this <c>void**</c> pointer must be given to the
+/// <c>__sanitizer_finish_switch_fiber()</c> function. In most cases, this
+/// pointer can be stored on the stack immediately before switching. When
+/// leaving a fiber definitely, NULL must be passed as the first argument to
+/// the <c>__sanitizer_start_switch_fiber()</c> function so that the fake stack
+/// is destroyed. If your program does not need stack use-after-return
+/// detection, you can always pass NULL to these two functions.
+///
+/// \note The fake stack mechanism is disabled during fiber switch, so if a
+/// signal callback runs during the switch, it will not benefit from stack
+/// use-after-return detection.
+///
+/// \param[out] fake_stack_save Fake stack save location.
+/// \param bottom Bottom address of stack.
+/// \param size Size of stack in bytes.
+void SANITIZER_CDECL __sanitizer_start_switch_fiber(void **fake_stack_save,
+                                                    const void *bottom,
+                                                    size_t size);
+
+/// Notify ASan that a fiber switch has completed (required only if
+/// implementing your own fiber library).
+///
+/// When code starts running on the new stack, it must call
+/// <c>__sanitizer_finish_switch_fiber()</c> to finalize
+/// the switch. For usage details, see the description of
+/// <c>__sanitizer_start_switch_fiber()</c>.
+///
+/// \param fake_stack_save Fake stack save location.
+/// \param[out] bottom_old Bottom address of old stack.
+/// \param[out] size_old Size of old stack in bytes.
+void SANITIZER_CDECL __sanitizer_finish_switch_fiber(void *fake_stack_save,
+                                                     const void **bottom_old,
+                                                     size_t *size_old);
+
+// Get full module name and calculate pc offset within it.
+// Returns 1 if pc belongs to some module, 0 if module was not found.
+int SANITIZER_CDECL __sanitizer_get_module_and_offset_for_pc(
+    void *pc, char *module_path, size_t module_path_len, void **pc_offset);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // SANITIZER_COMMON_INTERFACE_DEFS_H
diff --git a/contrib/libs/clang18-rt/include/sanitizer/hwasan_interface.h b/contrib/libs/clang18-rt/include/sanitizer/hwasan_interface.h
new file mode 100644
index 0000000000..407f488a24
--- /dev/null
+++ b/contrib/libs/clang18-rt/include/sanitizer/hwasan_interface.h
@@ -0,0 +1,109 @@
+//===-- sanitizer/hwasan_interface.h ----------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of HWAddressSanitizer.
+//
+// Public interface header.
+//===----------------------------------------------------------------------===//
+#ifndef SANITIZER_HWASAN_INTERFACE_H
+#define SANITIZER_HWASAN_INTERFACE_H
+
+#include <sanitizer/common_interface_defs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+// Libc hook for program startup in statically linked executables.
+// Initializes enough of the runtime to run instrumented code. This function
+// should only be called in statically linked executables because it modifies
+// the GOT, which won't work in regular binaries because RELRO will already
+// have been applied by the time the function is called. This also means that
+// the function should be called before libc applies RELRO.
+// Does not call libc unless there is an error.
+// Can be called multiple times.
+void SANITIZER_CDECL __hwasan_init_static(void);
+
+// This function may be optionally provided by user and should return
+// a string containing HWASan runtime options. See asan_flags.h for details.
+const char *SANITIZER_CDECL __hwasan_default_options(void);
+
+void SANITIZER_CDECL __hwasan_enable_allocator_tagging(void);
+void SANITIZER_CDECL __hwasan_disable_allocator_tagging(void);
+
+// Mark region of memory with the given tag. Both address and size need to be
+// 16-byte aligned.
+void SANITIZER_CDECL __hwasan_tag_memory(const volatile void *p,
+                                         unsigned char tag, size_t size);
+
+/// Set pointer tag. Previous tag is lost.
+void *SANITIZER_CDECL __hwasan_tag_pointer(const volatile void *p,
+                                           unsigned char tag);
+
+/// Get tag from the pointer.
+unsigned char SANITIZER_CDECL
+__hwasan_get_tag_from_pointer(const volatile void *p);
+
+// Set memory tag from the current SP address to the given address to zero.
+// This is meant to annotate longjmp and other non-local jumps.
+// This function needs to know the (almost) exact destination frame address;
+// clearing shadow for the entire thread stack like __asan_handle_no_return
+// does would cause false reports.
+void SANITIZER_CDECL __hwasan_handle_longjmp(const void *sp_dst);
+
+// Set memory tag for the part of the current thread stack below sp_dst to
+// zero. Call this in vfork() before returning in the parent process.
+void SANITIZER_CDECL __hwasan_handle_vfork(const void *sp_dst);
+
+// Libc hook for thread creation. Should be called in the child thread before
+// any instrumented code.
+void SANITIZER_CDECL __hwasan_thread_enter();
+
+// Libc hook for thread destruction. No instrumented code should run after
+// this call.
+void SANITIZER_CDECL __hwasan_thread_exit();
+
+// Print shadow and origin for the memory range to stderr in a human-readable
+// format.
+void SANITIZER_CDECL __hwasan_print_shadow(const volatile void *x, size_t size);
+
+// Print one-line report about the memory usage of the current process.
+void SANITIZER_CDECL __hwasan_print_memory_usage();
+
+/* Returns the offset of the first byte in the memory range that can not be
+ * accessed through the pointer in x, or -1 if the whole range is good. */
+intptr_t SANITIZER_CDECL __hwasan_test_shadow(const volatile void *x,
+                                              size_t size);
+
+/* Sets the callback function to be called during HWASan error reporting. */
+void SANITIZER_CDECL
+__hwasan_set_error_report_callback(void (*callback)(const char *));
+
+int SANITIZER_CDECL __sanitizer_posix_memalign(void **memptr, size_t alignment,
+                                               size_t size);
+void *SANITIZER_CDECL __sanitizer_memalign(size_t alignment, size_t size);
+void *SANITIZER_CDECL __sanitizer_aligned_alloc(size_t alignment, size_t size);
+void *SANITIZER_CDECL __sanitizer___libc_memalign(size_t alignment,
+                                                  size_t size);
+void *SANITIZER_CDECL __sanitizer_valloc(size_t size);
+void *SANITIZER_CDECL __sanitizer_pvalloc(size_t size);
+void SANITIZER_CDECL __sanitizer_free(void *ptr);
+void SANITIZER_CDECL __sanitizer_cfree(void *ptr);
+size_t SANITIZER_CDECL __sanitizer_malloc_usable_size(const void *ptr);
+struct mallinfo SANITIZER_CDECL __sanitizer_mallinfo();
+int SANITIZER_CDECL __sanitizer_mallopt(int cmd, int value);
+void SANITIZER_CDECL __sanitizer_malloc_stats(void);
+void *SANITIZER_CDECL __sanitizer_calloc(size_t nmemb, size_t size);
+void *SANITIZER_CDECL __sanitizer_realloc(void *ptr, size_t size);
+void *SANITIZER_CDECL __sanitizer_reallocarray(void *ptr, size_t nmemb,
+                                               size_t size);
+void *SANITIZER_CDECL __sanitizer_malloc(size_t size);
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // SANITIZER_HWASAN_INTERFACE_H
diff --git a/contrib/libs/clang18-rt/include/sanitizer/lsan_interface.h b/contrib/libs/clang18-rt/include/sanitizer/lsan_interface.h
new file mode 100644
index 0000000000..18f3456a12
--- /dev/null
+++ b/contrib/libs/clang18-rt/include/sanitizer/lsan_interface.h
@@ -0,0 +1,89 @@
+//===-- sanitizer/lsan_interface.h ------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of LeakSanitizer.
+//
+// Public interface header.
+//===----------------------------------------------------------------------===//
+#ifndef SANITIZER_LSAN_INTERFACE_H
+#define SANITIZER_LSAN_INTERFACE_H
+
+#include <sanitizer/common_interface_defs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+// Allocations made between calls to __lsan_disable() and __lsan_enable() will
+// be treated as non-leaks. Disable/enable pairs may be nested.
+void SANITIZER_CDECL __lsan_disable(void);
+void SANITIZER_CDECL __lsan_enable(void);
+
+// The heap object into which p points will be treated as a non-leak.
+void SANITIZER_CDECL __lsan_ignore_object(const void *p);
+
+// Memory regions registered through this interface will be treated as sources
+// of live pointers during leak checking. Useful if you store pointers in
+// mapped memory.
+// Points of note:
+// - __lsan_unregister_root_region() must be called with the same pointer and
+// size that have earlier been passed to __lsan_register_root_region()
+// - LSan will skip any inaccessible memory when scanning a root region. E.g.,
+// if you map memory within a larger region that you have mprotect'ed, you can
+// register the entire large region.
+// - the implementation is not optimized for performance. This interface is
+// intended to be used for a small number of relatively static regions.
+void SANITIZER_CDECL __lsan_register_root_region(const void *p, size_t size);
+void SANITIZER_CDECL __lsan_unregister_root_region(const void *p, size_t size);
+
+// Check for leaks now. This function behaves identically to the default
+// end-of-process leak check. In particular, it will terminate the process if
+// leaks are found and the exitcode runtime flag is non-zero.
+// Subsequent calls to this function will have no effect and end-of-process
+// leak check will not run. Effectively, end-of-process leak check is moved to
+// the time of first invocation of this function.
+// By calling this function early during process shutdown, you can instruct
+// LSan to ignore shutdown-only leaks which happen later on.
+void SANITIZER_CDECL __lsan_do_leak_check(void);
+
+// Check for leaks now. Returns zero if no leaks have been found or if leak
+// detection is disabled, non-zero otherwise.
+// This function may be called repeatedly, e.g. to periodically check a
+// long-running process. It prints a leak report if appropriate, but does not
+// terminate the process. It does not affect the behavior of
+// __lsan_do_leak_check() or the end-of-process leak check, and is not
+// affected by them.
+int SANITIZER_CDECL __lsan_do_recoverable_leak_check(void);
+
+// The user may optionally provide this function to disallow leak checking
+// for the program it is linked into (if the return value is non-zero). This
+// function must be defined as returning a constant value; any behavior beyond
+// that is unsupported.
+// To avoid dead stripping, you may need to define this function with
+// __attribute__((used))
+int SANITIZER_CDECL __lsan_is_turned_off(void);
+
+// This function may be optionally provided by user and should return
+// a string containing LSan runtime options. See lsan_flags.inc for details.
+const char *SANITIZER_CDECL __lsan_default_options(void);
+
+// This function may be optionally provided by the user and should return
+// a string containing LSan suppressions.
+const char *SANITIZER_CDECL __lsan_default_suppressions(void);
+#ifdef __cplusplus
+} // extern "C"
+
+namespace __lsan {
+class ScopedDisabler {
+public:
+  ScopedDisabler() { __lsan_disable(); }
+  ~ScopedDisabler() { __lsan_enable(); }
+};
+} // namespace __lsan
+#endif
+
+#endif // SANITIZER_LSAN_INTERFACE_H
diff --git a/contrib/libs/clang18-rt/include/sanitizer/msan_interface.h b/contrib/libs/clang18-rt/include/sanitizer/msan_interface.h
new file mode 100644
index 0000000000..6fedc03125
--- /dev/null
+++ b/contrib/libs/clang18-rt/include/sanitizer/msan_interface.h
@@ -0,0 +1,135 @@
+//===-- msan_interface.h --------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of MemorySanitizer.
+//
+// Public interface header.
+//===----------------------------------------------------------------------===//
+#ifndef MSAN_INTERFACE_H
+#define MSAN_INTERFACE_H
+
+#include <sanitizer/common_interface_defs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+/* Set raw origin for the memory range. */
+void SANITIZER_CDECL __msan_set_origin(const volatile void *a, size_t size,
+                                       uint32_t origin);
+
+/* Get raw origin for an address. */
+uint32_t SANITIZER_CDECL __msan_get_origin(const volatile void *a);
+
+/* Test that this_id is a descendant of prev_id (or they are simply equal).
+ * "descendant" here means they are part of the same chain, created with
+ * __msan_chain_origin. */
+int SANITIZER_CDECL __msan_origin_is_descendant_or_same(uint32_t this_id,
+                                                        uint32_t prev_id);
+
+/* Returns non-zero if tracking origins. */
+int SANITIZER_CDECL __msan_get_track_origins(void);
+
+/* Returns the origin id of the latest UMR in the calling thread. */
+uint32_t SANITIZER_CDECL __msan_get_umr_origin(void);
+
+/* Make memory region fully initialized (without changing its contents). */
+void SANITIZER_CDECL __msan_unpoison(const volatile void *a, size_t size);
+
+/* Make a null-terminated string fully initialized (without changing its
+   contents). */
+void SANITIZER_CDECL __msan_unpoison_string(const volatile char *a);
+
+/* Make first n parameters of the next function call fully initialized. */
+void SANITIZER_CDECL __msan_unpoison_param(size_t n);
+
+/* Make memory region fully uninitialized (without changing its contents).
+   This is a legacy interface that does not update origin information. Use
+   __msan_allocated_memory() instead. */
+void SANITIZER_CDECL __msan_poison(const volatile void *a, size_t size);
+
+/* Make memory region partially uninitialized (without changing its contents).
+ */
+void SANITIZER_CDECL __msan_partial_poison(const volatile void *data,
+                                           void *shadow, size_t size);
+
+/* Returns the offset of the first (at least partially) poisoned byte in the
+   memory range, or -1 if the whole range is good. */
+intptr_t SANITIZER_CDECL __msan_test_shadow(const volatile void *x,
+                                            size_t size);
+
+/* Checks that memory range is fully initialized, and reports an error if it
+ * is not. */
+void SANITIZER_CDECL __msan_check_mem_is_initialized(const volatile void *x,
+                                                     size_t size);
+
+/* For testing:
+   __msan_set_expect_umr(1);
+   ... some buggy code ...
+   __msan_set_expect_umr(0);
+   The last line will verify that a UMR happened. */
+void SANITIZER_CDECL __msan_set_expect_umr(int expect_umr);
+
+/* Change the value of keep_going flag. Non-zero value means don't terminate
+   program execution when an error is detected. This will not affect error in
+   modules that were compiled without the corresponding compiler flag. */
+void SANITIZER_CDECL __msan_set_keep_going(int keep_going);
+
+/* Print shadow and origin for the memory range to stderr in a human-readable
+   format. */
+void SANITIZER_CDECL __msan_print_shadow(const volatile void *x, size_t size);
+
+/* Print shadow for the memory range to stderr in a minimalistic
+   human-readable format. */
+void SANITIZER_CDECL __msan_dump_shadow(const volatile void *x, size_t size);
+
+/* Returns true if running under a dynamic tool (DynamoRio-based). */
+int SANITIZER_CDECL __msan_has_dynamic_component(void);
+
+/* Tell MSan about newly allocated memory (ex.: custom allocator).
+   Memory will be marked uninitialized, with origin at the call site. */
+void SANITIZER_CDECL __msan_allocated_memory(const volatile void *data,
+                                             size_t size);
+
+/* Tell MSan about newly destroyed memory. Mark memory as uninitialized. */
+void SANITIZER_CDECL __sanitizer_dtor_callback(const volatile void *data,
+                                               size_t size);
+void SANITIZER_CDECL __sanitizer_dtor_callback_fields(const volatile void *data,
+                                                      size_t size);
+void SANITIZER_CDECL __sanitizer_dtor_callback_vptr(const volatile void *data);
+
+/* This function may be optionally provided by user and should return
+   a string containing Msan runtime options. See msan_flags.h for details. */
+const char *SANITIZER_CDECL __msan_default_options(void);
+
+/* Deprecated. Call __sanitizer_set_death_callback instead. */
+void SANITIZER_CDECL
+__msan_set_death_callback(void(SANITIZER_CDECL *callback)(void));
+
+/* Update shadow for the application copy of size bytes from src to dst.
+   Src and dst are application addresses. This function does not copy the
+   actual application memory, it only updates shadow and origin for such
+   copy. Source and destination regions can overlap. */
+void SANITIZER_CDECL __msan_copy_shadow(const volatile void *dst,
+                                        const volatile void *src, size_t size);
+
+/* Disables uninitialized memory checks in interceptors. */
+void SANITIZER_CDECL __msan_scoped_disable_interceptor_checks(void);
+
+/* Re-enables uninitialized memory checks in interceptors after a previous
+   call to __msan_scoped_disable_interceptor_checks. */
+void SANITIZER_CDECL __msan_scoped_enable_interceptor_checks(void);
+
+void SANITIZER_CDECL __msan_start_switch_fiber(const void *bottom, size_t size);
+void SANITIZER_CDECL __msan_finish_switch_fiber(const void **bottom_old,
+                                                size_t *size_old);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif
diff --git a/contrib/libs/clang18-rt/include/sanitizer/tsan_interface.h b/contrib/libs/clang18-rt/include/sanitizer/tsan_interface.h
new file mode 100644
index 0000000000..e11a4175cd
--- /dev/null
+++ b/contrib/libs/clang18-rt/include/sanitizer/tsan_interface.h
@@ -0,0 +1,316 @@
+//===-- tsan_interface.h ----------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of ThreadSanitizer (TSan), a race detector.
+//
+// Public interface header for TSan.
+//===----------------------------------------------------------------------===//
+#ifndef SANITIZER_TSAN_INTERFACE_H
+#define SANITIZER_TSAN_INTERFACE_H
+
+#include <sanitizer/common_interface_defs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// __tsan_release establishes a happens-before relation with a preceding
+// __tsan_acquire on the same address.
+void SANITIZER_CDECL __tsan_acquire(void *addr);
+void SANITIZER_CDECL __tsan_release(void *addr);
+
+// Annotations for custom mutexes.
+// The annotations allow to get better reports (with sets of locked mutexes),
+// detect more types of bugs (e.g. mutex misuses, races between lock/unlock and
+// destruction and potential deadlocks) and improve precision and performance
+// (by ignoring individual atomic operations in mutex code). However, the
+// downside is that annotated mutex code itself is not checked for correctness.
+
+// Mutex creation flags are passed to __tsan_mutex_create annotation.
+// If mutex has no constructor and __tsan_mutex_create is not called,
+// the flags may be passed to __tsan_mutex_pre_lock/__tsan_mutex_post_lock
+// annotations.
+
+// Mutex has static storage duration and no-op constructor and destructor.
+// This effectively makes tsan ignore destroy annotation.
+static const unsigned __tsan_mutex_linker_init      = 1 << 0;
+// Mutex is write reentrant.
+static const unsigned __tsan_mutex_write_reentrant  = 1 << 1;
+// Mutex is read reentrant.
+static const unsigned __tsan_mutex_read_reentrant   = 1 << 2;
+// Mutex does not have static storage duration, and must not be used after
+// its destructor runs.  The opposite of __tsan_mutex_linker_init.
+// If this flag is passed to __tsan_mutex_destroy, then the destruction
+// is ignored unless this flag was previously set on the mutex.
+static const unsigned __tsan_mutex_not_static       = 1 << 8;
+
+// Mutex operation flags:
+
+// Denotes read lock operation.
+static const unsigned __tsan_mutex_read_lock = 1 << 3;
+// Denotes try lock operation.
+static const unsigned __tsan_mutex_try_lock = 1 << 4;
+// Denotes that a try lock operation has failed to acquire the mutex.
+static const unsigned __tsan_mutex_try_lock_failed = 1 << 5;
+// Denotes that the lock operation acquires multiple recursion levels.
+// Number of levels is passed in recursion parameter.
+// This is useful for annotation of e.g. Java builtin monitors,
+// for which wait operation releases all recursive acquisitions of the mutex.
+static const unsigned __tsan_mutex_recursive_lock = 1 << 6;
+// Denotes that the unlock operation releases all recursion levels.
+// Number of released levels is returned and later must be passed to
+// the corresponding __tsan_mutex_post_lock annotation.
+static const unsigned __tsan_mutex_recursive_unlock = 1 << 7;
+
+// Convenient composed constants.
+static const unsigned __tsan_mutex_try_read_lock =
+    __tsan_mutex_read_lock | __tsan_mutex_try_lock;
+static const unsigned __tsan_mutex_try_read_lock_failed =
+    __tsan_mutex_try_read_lock | __tsan_mutex_try_lock_failed;
+
+// Annotate creation of a mutex.
+// Supported flags: mutex creation flags.
+void SANITIZER_CDECL __tsan_mutex_create(void *addr, unsigned flags);
+
+// Annotate destruction of a mutex.
+// Supported flags:
+//   - __tsan_mutex_linker_init
+//   - __tsan_mutex_not_static
+void SANITIZER_CDECL __tsan_mutex_destroy(void *addr, unsigned flags);
+
+// Annotate start of lock operation.
+// Supported flags:
+//   - __tsan_mutex_read_lock
+//   - __tsan_mutex_try_lock
+//   - all mutex creation flags
+void SANITIZER_CDECL __tsan_mutex_pre_lock(void *addr, unsigned flags);
+
+// Annotate end of lock operation.
+// Supported flags:
+//   - __tsan_mutex_read_lock (must match __tsan_mutex_pre_lock)
+//   - __tsan_mutex_try_lock (must match __tsan_mutex_pre_lock)
+//   - __tsan_mutex_try_lock_failed
+//   - __tsan_mutex_recursive_lock
+//   - all mutex creation flags
+void SANITIZER_CDECL __tsan_mutex_post_lock(void *addr, unsigned flags,
+                                            int recursion);
+
+// Annotate start of unlock operation.
+// Supported flags:
+//   - __tsan_mutex_read_lock
+//   - __tsan_mutex_recursive_unlock
+int SANITIZER_CDECL __tsan_mutex_pre_unlock(void *addr, unsigned flags);
+
+// Annotate end of unlock operation.
+// Supported flags:
+//   - __tsan_mutex_read_lock (must match __tsan_mutex_pre_unlock)
+void SANITIZER_CDECL __tsan_mutex_post_unlock(void *addr, unsigned flags);
+
+// Annotate start/end of notify/signal/broadcast operation.
+// Supported flags: none.
+void SANITIZER_CDECL __tsan_mutex_pre_signal(void *addr, unsigned flags);
+void SANITIZER_CDECL __tsan_mutex_post_signal(void *addr, unsigned flags);
+
+// Annotate start/end of a region of code where lock/unlock/signal operation
+// diverts to do something else unrelated to the mutex. This can be used to
+// annotate, for example, calls into cooperative scheduler or contention
+// profiling code.
+// These annotations must be called only from within
+// __tsan_mutex_pre/post_lock, __tsan_mutex_pre/post_unlock,
+// __tsan_mutex_pre/post_signal regions.
+// Supported flags: none.
+void SANITIZER_CDECL __tsan_mutex_pre_divert(void *addr, unsigned flags);
+void SANITIZER_CDECL __tsan_mutex_post_divert(void *addr, unsigned flags);
+
+// Check that the current thread does not hold any mutexes,
+// report a bug report otherwise.
+void SANITIZER_CDECL __tsan_check_no_mutexes_held();
+
+// External race detection API.
+// Can be used by non-instrumented libraries to detect when their objects are
+// being used in an unsafe manner.
+//   - __tsan_external_read/__tsan_external_write annotates the logical reads
+//       and writes of the object at the specified address. 'caller_pc' should
+//       be the PC of the library user, which the library can obtain with e.g.
+//       `__builtin_return_address(0)`.
+//   - __tsan_external_register_tag registers a 'tag' with the specified name,
+//       which is later used in read/write annotations to denote the object type
+//   - __tsan_external_assign_tag can optionally mark a heap object with a tag
+void *SANITIZER_CDECL __tsan_external_register_tag(const char *object_type);
+void SANITIZER_CDECL __tsan_external_register_header(void *tag,
+                                                     const char *header);
+void SANITIZER_CDECL __tsan_external_assign_tag(void *addr, void *tag);
+void SANITIZER_CDECL __tsan_external_read(void *addr, void *caller_pc,
+                                          void *tag);
+void SANITIZER_CDECL __tsan_external_write(void *addr, void *caller_pc,
+                                           void *tag);
+
+// Fiber switching API.
+//   - TSAN context for fiber can be created by __tsan_create_fiber
+//     and freed by __tsan_destroy_fiber.
+//   - TSAN context of current fiber or thread can be obtained
+//     by calling __tsan_get_current_fiber.
+//   - __tsan_switch_to_fiber should be called immediately before switch
+//     to fiber, such as call of swapcontext.
+//   - Fiber name can be set by __tsan_set_fiber_name.
+void *SANITIZER_CDECL __tsan_get_current_fiber(void);
+void *SANITIZER_CDECL __tsan_create_fiber(unsigned flags);
+void SANITIZER_CDECL __tsan_destroy_fiber(void *fiber);
+void SANITIZER_CDECL __tsan_switch_to_fiber(void *fiber, unsigned flags);
+void SANITIZER_CDECL __tsan_set_fiber_name(void *fiber, const char *name);
+
+// Flags for __tsan_switch_to_fiber:
+// Do not establish a happens-before relation between fibers
+static const unsigned __tsan_switch_to_fiber_no_sync = 1 << 0;
+
+// User-provided callback invoked on TSan initialization.
+void SANITIZER_CDECL __tsan_on_initialize();
+
+// User-provided callback invoked on TSan shutdown.
+// `failed` - Nonzero if TSan did detect issues, zero otherwise.
+// Return `0` if TSan should exit as if no issues were detected.  Return nonzero
+// if TSan should exit as if issues were detected.
+int SANITIZER_CDECL __tsan_on_finalize(int failed);
+
+// Release TSan internal memory in a best-effort manner.
+void SANITIZER_CDECL __tsan_flush_memory();
+
+// User-provided default TSAN options.
+const char *SANITIZER_CDECL __tsan_default_options(void);
+
+// User-provided default TSAN suppressions.
+const char *SANITIZER_CDECL __tsan_default_suppressions(void);
+
+/// Returns a report's description.
+///
+/// Returns a report's description (issue type), number of duplicate issues
+/// found, counts of array data (stack traces, memory operations, locations,
+/// mutexes, threads, unique thread IDs) and a stack trace of a <c>sleep()</c>
+/// call (if one was involved in the issue).
+///
+/// \param report Opaque pointer to the current report.
+/// \param[out] description Report type description.
+/// \param[out] count Count of duplicate issues.
+/// \param[out] stack_count Count of stack traces.
+/// \param[out] mop_count Count of memory operations.
+/// \param[out] loc_count Count of locations.
+/// \param[out] mutex_count Count of mutexes.
+/// \param[out] thread_count Count of threads.
+/// \param[out] unique_tid_count Count of unique thread IDs.
+/// \param sleep_trace A buffer to store the stack trace of a <c>sleep()</c>
+/// call.
+/// \param trace_size Size in bytes of the trace buffer.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_data(
+    void *report, const char **description, int *count, int *stack_count,
+    int *mop_count, int *loc_count, int *mutex_count, int *thread_count,
+    int *unique_tid_count, void **sleep_trace, unsigned long trace_size);
+
+/// Returns information about stack traces included in the report.
+///
+/// \param report Opaque pointer to the current report.
+/// \param idx Index to the report's stacks.
+/// \param trace A buffer to store the stack trace.
+/// \param trace_size Size in bytes of the trace buffer.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_stack(void *report, unsigned long idx,
+                                            void **trace,
+                                            unsigned long trace_size);
+
+/// Returns information about memory operations included in the report.
+///
+/// \param report Opaque pointer to the current report.
+/// \param idx Index to the report's memory operations.
+/// \param[out] tid Thread ID of the memory operation.
+/// \param[out] addr Address of the memory operation.
+/// \param[out] size Size of the memory operation.
+/// \param[out] write Write flag of the memory operation.
+/// \param[out] atomic Atomicity flag of the memory operation.
+/// \param trace A buffer to store the stack trace.
+/// \param trace_size Size in bytes of the trace buffer.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_mop(void *report, unsigned long idx,
+                                          int *tid, void **addr, int *size,
+                                          int *write, int *atomic, void **trace,
+                                          unsigned long trace_size);
+
+/// Returns information about locations included in the report.
+///
+/// \param report Opaque pointer to the current report.
+/// \param idx Index to the report's locations.
+/// \param[out] type Type of the location.
+/// \param[out] addr Address of the location.
+/// \param[out] start Start of the location.
+/// \param[out] size Size of the location.
+/// \param[out] tid Thread ID of the location.
+/// \param[out] fd File descriptor of the location.
+/// \param[out] suppressable Suppressable flag.
+/// \param trace A buffer to store the stack trace.
+/// \param trace_size Size in bytes of the trace buffer.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_loc(void *report, unsigned long idx,
+                                          const char **type, void **addr,
+                                          void **start, unsigned long *size,
+                                          int *tid, int *fd, int *suppressable,
+                                          void **trace,
+                                          unsigned long trace_size);
+
+/// Returns information about mutexes included in the report.
+///
+/// \param report Opaque pointer to the current report.
+/// \param idx Index to the report's mutexes.
+/// \param[out] mutex_id Id of the mutex.
+/// \param[out] addr Address of the mutex.
+/// \param[out] destroyed Destroyed mutex flag.
+/// \param trace A buffer to store the stack trace.
+/// \param trace_size Size in bytes of the trace buffer.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_mutex(void *report, unsigned long idx,
+                                            uint64_t *mutex_id, void **addr,
+                                            int *destroyed, void **trace,
+                                            unsigned long trace_size);
+
+/// Returns information about threads included in the report.
+///
+/// \param report Opaque pointer to the current report.
+/// \param idx Index to the report's threads.
+/// \param[out] tid Thread ID of the thread.
+/// \param[out] os_id Operating system's ID of the thread.
+/// \param[out] running Running flag of the thread.
+/// \param[out] name Name of the thread.
+/// \param[out] parent_tid ID of the parent thread.
+/// \param trace A buffer to store the stack trace.
+/// \param trace_size Size in bytes of the trace buffer.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_thread(void *report, unsigned long idx,
+                                             int *tid, uint64_t *os_id,
+                                             int *running, const char **name,
+                                             int *parent_tid, void **trace,
+                                             unsigned long trace_size);
+
+/// Returns information about unique thread IDs included in the report.
+///
+/// \param report Opaque pointer to the current report.
+/// \param idx Index to the report's unique thread IDs.
+/// \param[out] tid Unique thread ID of the report.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_unique_tid(void *report,
+                                                 unsigned long idx, int *tid);
+
+/// Returns the current report.
+///
+/// If TSan is currently reporting a detected issue on the current thread,
+/// returns an opaque pointer to the current report. Otherwise returns NULL.
+/// \returns An opaque pointer to the current report. Otherwise returns NULL.
+void *SANITIZER_CDECL __tsan_get_current_report();
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // SANITIZER_TSAN_INTERFACE_H