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-rw-r--r--lib/asan/asan_poisoning.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/asan/asan_poisoning.h b/lib/asan/asan_poisoning.h
index 63ac81951..bd680ae94 100644
--- a/lib/asan/asan_poisoning.h
+++ b/lib/asan/asan_poisoning.h
@@ -44,7 +44,7 @@ ALWAYS_INLINE void FastPoisonShadow(uptr aligned_beg, uptr aligned_size,
// probably provide higher-level interface for these operations.
// For now, just memset on Windows.
if (value ||
- SANITIZER_WINDOWS ||
+ SANITIZER_WINDOWS == 1 ||
shadow_end - shadow_beg < common_flags()->clear_shadow_mmap_threshold) {
REAL(memset)((void*)shadow_beg, value, shadow_end - shadow_beg);
} else {