Update contrib/libs/re2 to 2025-07-17

commit_hash:f458137ab4e72fa397a5b6c6e4004b1d814ad9eb

5 files changed, 18 insertions, 5 deletions

diff --git a/contrib/libs/re2/.yandex_meta/override.nix b/contrib/libs/re2/.yandex_meta/override.nix
index 9b881c5ac47..cf2a022643f 100644
--- a/contrib/libs/re2/.yandex_meta/override.nix
+++ b/contrib/libs/re2/.yandex_meta/override.nix
@@ -1,11 +1,11 @@
 pkgs: attrs: with pkgs; with attrs; rec {
-  version = "2025-06-26b";
+  version = "2025-07-17";
 
   src = fetchFromGitHub {
     owner = "google";
     repo = "re2";
     rev = "${version}";
-    hash = "sha256-thON6Xdt2ihXqgj1qIyHYvoQWkBjvbswytCuSqH0LM0=";
+    hash = "sha256-8wxAFu013Nc67vikwXt5+A/5odEk62yHpRbeH6zHrlY=";
   };
 
   buildInputs = [
diff --git a/contrib/libs/re2/re2/re2.cc b/contrib/libs/re2/re2/re2.cc
index eef55ba2366..ebea83a135a 100644
--- a/contrib/libs/re2/re2/re2.cc
+++ b/contrib/libs/re2/re2/re2.cc
@@ -143,6 +143,11 @@ static std::string trunc(absl::string_view pattern) {
 
 
 RE2::RE2(const char* pattern) {
+  // If absl::string_view becomes an alias for std::string_view,
+  // it will stop allowing NULL to be converted.
+  // Handle NULL explicitly to keep callers working no matter what.
+  if (pattern == NULL)
+    pattern = "";
   Init(pattern, DefaultOptions);
 }
 
diff --git a/contrib/libs/re2/re2/testing/re2_test.cc b/contrib/libs/re2/re2/testing/re2_test.cc
index 04c040e9eb6..5c1822d7f8a 100644
--- a/contrib/libs/re2/re2/testing/re2_test.cc
+++ b/contrib/libs/re2/re2/testing/re2_test.cc
@@ -1688,4 +1688,12 @@ TEST(RE2, Issue477) {
   ASSERT_EQ(s, "\x61\x63");
 }
 
+TEST(RE2, InitNULL) {
+  // RE2::RE2 accepts NULL. Make sure it keeps doing that.
+  RE2 re(NULL);
+  ASSERT_TRUE(re.ok());
+  ASSERT_TRUE(RE2::FullMatch("", re));
+  ASSERT_TRUE(RE2::FullMatch("", NULL));
+}
+
 }  // namespace re2
diff --git a/contrib/libs/re2/re2/testing/ya.make b/contrib/libs/re2/re2/testing/ya.make
index f05e2daf5f9..f58c050513f 100644
--- a/contrib/libs/re2/re2/testing/ya.make
+++ b/contrib/libs/re2/re2/testing/ya.make
@@ -6,7 +6,7 @@ LICENSE(BSD-3-Clause)
 
 LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
 
-VERSION(2025-06-26b)
+VERSION(2025-07-17)
 
 PEERDIR(
     contrib/libs/re2
diff --git a/contrib/libs/re2/ya.make b/contrib/libs/re2/ya.make
index b77cd61be54..3bd65583db6 100644
--- a/contrib/libs/re2/ya.make
+++ b/contrib/libs/re2/ya.make
@@ -9,9 +9,9 @@ LICENSE(
 
 LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
 
-VERSION(2025-06-26b)
+VERSION(2025-07-17)
 
-ORIGINAL_SOURCE(https://github.com/google/re2/archive/2025-06-26b.tar.gz)
+ORIGINAL_SOURCE(https://github.com/google/re2/archive/2025-07-17.tar.gz)
 
 PEERDIR(
     contrib/restricted/abseil-cpp