Update contrib/libs/cxxsupp/libcxxrt to 2024-10-30

commit_hash:d8e11401f68bd6640a08eadd50fbd49e0042050f

Author: robot-piglet

contrib/libs/cxxsupp/libcxxrt/.yandex_meta/override.nix

@@ -1,12 +1,12 @@
 pkgs: attrs: with pkgs; rec {
-  version = "2024-10-22";
-  revision = "5bf955548df364bc6efe4add80947b8689c74e2a";
+  version = "2024-10-30";
+  revision = "6f2fdfebcd6291d763de8b17740d636f01761890";
 
   src = fetchFromGitHub {
     owner = "libcxxrt";
     repo = "libcxxrt";
     rev = "${revision}";
-    hash = "sha256-YxMYouW/swdDP/YtNGFlFpBFIc5Pl08mCIl07V3OsCE=";
+    hash = "sha256-iUuIhwFg1Ys9DDoyDFTjEIlCVDdA1TACwtYXSRr5+2g=";
   };
 
   nativeBuildInputs = [ cmake ];

contrib/libs/cxxsupp/libcxxrt/exception.cc

@@ -215,7 +215,7 @@ static_assert(offsetof(__cxa_dependent_exception, unwindHeader) ==
 
 namespace std
 {
-	void unexpected();
+	[[noreturn]] void unexpected();
 	class exception
 	{
 		public:
@@ -1615,28 +1615,34 @@ namespace std
 		if (0 != info && 0 != info->terminateHandler)
 		{
 			info->terminateHandler();
-			// Should not be reached - a terminate handler is not expected to
-			// return.
-			abort();
 		}
-		terminateHandler.load()();
+		else
+		{
+			terminateHandler.load()();
+		}
+		// Should not be reached - a terminate handler is not expected
+		// to return.
+		abort();
 	}
 	/**
 	 * Called when an unexpected exception is encountered (i.e. an exception
 	 * violates an exception specification).  This calls abort() unless a
 	 * custom handler has been set..
 	 */
-	void unexpected()
+	[[noreturn]] void unexpected()
 	{
 		static __cxa_thread_info *info = thread_info();
 		if (0 != info && 0 != info->unexpectedHandler)
 		{
 			info->unexpectedHandler();
-			// Should not be reached - a terminate handler is not expected to
-			// return.
-			abort();
 		}
-		unexpectedHandler.load()();
+		else
+		{
+			unexpectedHandler.load()();
+		}
+		// Should not be reached - a unexpected handler is not expected
+		// to return.
+		abort();
 	}
 	/**
 	 * Returns whether there are any exceptions currently being thrown that

contrib/libs/cxxsupp/libcxxrt/ya.make

@@ -11,9 +11,9 @@ LICENSE(
 
 LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
 
-VERSION(2024-10-22)
+VERSION(2024-10-30)
 
-ORIGINAL_SOURCE(https://github.com/libcxxrt/libcxxrt/archive/5bf955548df364bc6efe4add80947b8689c74e2a.tar.gz)
+ORIGINAL_SOURCE(https://github.com/libcxxrt/libcxxrt/archive/6f2fdfebcd6291d763de8b17740d636f01761890.tar.gz)
 
 PEERDIR(
     contrib/libs/libunwind