From 5b23f2d33fe34a5dae95031968faab0752418776 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jean-Micha=C3=ABl=20Celerier?= Date: Wed, 2 Jul 2025 09:11:30 -0400 Subject: [PATCH] __config: also ignore shift-out-of-bounds error with ubsan checks Otherwise functions such as __hash_len_16 in hash.h still trigger harmless but frustrating ubsan warnings despite being marked as _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK. --- libcxx/include/__config | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libcxx/include/__config b/libcxx/include/__config index af8a297fdf3fd..b8331a2b4f63a 100644 --- a/libcxx/include/__config +++ b/libcxx/include/__config @@ -1155,7 +1155,7 @@ typedef __char32_t char32_t; // Allow for build-time disabling of unsigned integer sanitization # if __has_attribute(no_sanitize) && !defined(_LIBCPP_COMPILER_GCC) -# define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow"))) +# define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow", "shift-out-of-bounds"))) # else # define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK # endif