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Diffstat (limited to 'lib/sanitizer_common/sanitizer_allocator_primary64.h')
-rw-r--r--lib/sanitizer_common/sanitizer_allocator_primary64.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sanitizer_common/sanitizer_allocator_primary64.h b/lib/sanitizer_common/sanitizer_allocator_primary64.h
index efa2258dd..0c2e72ce7 100644
--- a/lib/sanitizer_common/sanitizer_allocator_primary64.h
+++ b/lib/sanitizer_common/sanitizer_allocator_primary64.h
@@ -389,7 +389,7 @@ class SizeClassAllocator64 {
bool MapWithCallback(uptr beg, uptr size) {
uptr mapped = reinterpret_cast<uptr>(MmapFixedOrDieOnFatalError(beg, size));
- if (!mapped)
+ if (UNLIKELY(!mapped))
return false;
CHECK_EQ(beg, mapped);
MapUnmapCallback().OnMap(beg, size);