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-rw-r--r--newlib/libc/include/sys/cdefs.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/newlib/libc/include/sys/cdefs.h b/newlib/libc/include/sys/cdefs.h
index 1f2ce063d..1be994ffd 100644
--- a/newlib/libc/include/sys/cdefs.h
+++ b/newlib/libc/include/sys/cdefs.h
@@ -709,8 +709,12 @@
/* Function should not be analyzed. */
#define __no_lock_analysis __lock_annotate(no_thread_safety_analysis)
-/* Function or variable should not be sanitized, ie. by AddressSanitizer */
-#if __has_attribute(no_sanitize)
+/*
+ * Function or variable should not be sanitized, i.e. by AddressSanitizer.
+ * GCC has the nosanitize attribute, but as a function attribute only, and
+ * warns on use as a variable attribute.
+ */
+#if __has_attribute(no_sanitize) && defined(__clang__)
#define __nosanitizeaddress __attribute__((no_sanitize("address")))
#else
#define __nosanitizeaddress