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Diffstat (limited to 'lib/sanitizer_common/sanitizer_platform_limits_posix.h')
-rw-r--r--lib/sanitizer_common/sanitizer_platform_limits_posix.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.h b/lib/sanitizer_common/sanitizer_platform_limits_posix.h
index 477a0ecbe0e4..c2d9f2cd3762 100644
--- a/lib/sanitizer_common/sanitizer_platform_limits_posix.h
+++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -635,9 +635,12 @@ namespace __sanitizer {
#ifndef __mips__
#if defined(__sparc__)
#if __GLIBC_PREREQ (2, 20)
- // On sparc glibc 2.19 and earlier sa_flags was unsigned long, and
- // __glibc_reserved0 didn't exist.
+ // On sparc glibc 2.19 and earlier sa_flags was unsigned long.
+#if defined(__arch64__)
+ // To maintain ABI compatibility on sparc64 when switching to an int,
+ // __glibc_reserved0 was added.
int __glibc_reserved0;
+#endif
int sa_flags;
#else
unsigned long sa_flags;