YT-19142: Add emscripten patches to libcxxabi

1 files changed, 8 insertions, 0 deletions

diff --git a/contrib/libs/cxxsupp/libcxxabi/src/stdlib_new_delete.cpp b/contrib/libs/cxxsupp/libcxxabi/src/stdlib_new_delete.cpp
index 4a664e15a50..48e509ba2b3 100644
--- a/contrib/libs/cxxsupp/libcxxabi/src/stdlib_new_delete.cpp
+++ b/contrib/libs/cxxsupp/libcxxabi/src/stdlib_new_delete.cpp
@@ -37,9 +37,17 @@ operator new(std::size_t size) _THROW_BAD_ALLOC
         else
 #ifndef _LIBCXXABI_NO_EXCEPTIONS
             throw std::bad_alloc();
+#ifdef __EMSCRIPTEN__
+            // Abort here so that when exceptions are disabled, we do not just
+            // return 0 when malloc returns 0.
+            // We could also do this with set_new_handler, but that adds a
+            // global constructor and a table entry, overhead that we can avoid
+            // by doing it this way.
+            abort();
 #else
             break;
 #endif
+#endif
     }
     return p;
 }