1From c50f2277509f2e6f087cda2eaf323eaf569aad8d Mon Sep 17 00:00:00 2001 2From: Khem Raj <raj.khem@gmail.com> 3Date: Sat, 30 Sep 2023 12:42:06 -0700 4Subject: [PATCH] clang/arm: Do not use MUST_TAIL_CALL 5 6This causes clang-17 to crash see [1] 7this code is new in webkit 2.42[2] thats why we do not see the crash in older webkit 8 9[1] https://github.com/llvm/llvm-project/issues/67767 10[2] https://github.com/WebKit/WebKit/commit/4d816460b765acd8aef90ab474615850b91ecc35 11 12Upstream-Status: Pending 13Signed-off-by: Khem Raj <raj.khem@gmail.com> 14--- 15 Source/WTF/wtf/Compiler.h | 2 +- 16 1 file changed, 1 insertion(+), 1 deletion(-) 17 18diff --git a/Source/WTF/wtf/Compiler.h b/Source/WTF/wtf/Compiler.h 19index 449ca502..daac29d7 100644 20--- a/Source/WTF/wtf/Compiler.h 21+++ b/Source/WTF/wtf/Compiler.h 22@@ -321,7 +321,7 @@ 23 /* MUST_TAIL_CALL */ 24 25 #if !defined(MUST_TAIL_CALL) && defined(__cplusplus) && defined(__has_cpp_attribute) 26-#if __has_cpp_attribute(clang::musttail) 27+#if __has_cpp_attribute(clang::musttail) && !defined(__arm__) 28 #define MUST_TAIL_CALL [[clang::musttail]] 29 #endif 30 #endif 31