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From a9c874f7418cefbe78f7cd26505ae495cb59bbcf Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Fri, 12 Jan 2024 09:21:39 -0800
Subject: [PATCH] clang/arm: Do not use MUST_TAIL_CALL
This causes clang-17 to crash see [1]
this code is new in webkit 2.42[2] thats why we do not see the crash in older webkit
[1] https://github.com/llvm/llvm-project/issues/67767
[2] https://github.com/WebKit/WebKit/commit/4d816460b765acd8aef90ab474615850b91ecc35
Upstream-Status: Inappropriate [work around to avoid clang compiler crash]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
Source/WTF/wtf/Compiler.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Source/WTF/wtf/Compiler.h b/Source/WTF/wtf/Compiler.h
index 0ea5cb76..c5480dbc 100644
--- a/Source/WTF/wtf/Compiler.h
+++ b/Source/WTF/wtf/Compiler.h
@@ -284,7 +284,7 @@
/* MUST_TAIL_CALL */
#if !defined(MUST_TAIL_CALL) && defined(__cplusplus) && defined(__has_cpp_attribute)
-#if __has_cpp_attribute(clang::musttail)
+#if __has_cpp_attribute(clang::musttail) && !defined(__arm__)
#define MUST_TAIL_CALL [[clang::musttail]]
#endif
#endif
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