Merge tag 'x86_entry_for_5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

[sfrench/cifs-2.6.git] / include / linux / compiler-clang.h

diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
index ee37256ec8bdf1c7874adae0b60c1891178343bd..5e55302e3bf6068f23823f70a62ffd1f88af6a75 100644 (file)
--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -33,6 +33,14 @@
 #define __no_sanitize_thread
 #endif
 
+#if __has_feature(undefined_behavior_sanitizer)
+/* GCC does not have __SANITIZE_UNDEFINED__ */
+#define __no_sanitize_undefined \
+               __attribute__((no_sanitize("undefined")))
+#else
+#define __no_sanitize_undefined
+#endif
+
 /*
  * Not all versions of clang implement the the type-generic versions
  * of the builtin overflow checkers. Fortunately, clang implements