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-rw-r--r--compiler-rt/lib/asan/asan_mapping.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/compiler-rt/lib/asan/asan_mapping.h b/compiler-rt/lib/asan/asan_mapping.h
index 4cf06750f68..3e7fc6bd43b 100644
--- a/compiler-rt/lib/asan/asan_mapping.h
+++ b/compiler-rt/lib/asan/asan_mapping.h
@@ -36,7 +36,11 @@ extern SANITIZER_INTERFACE_ATTRIBUTE uptr __asan_mapping_offset;
# if defined(__powerpc64__)
# define SHADOW_OFFSET (1ULL << 41)
# else
-# define SHADOW_OFFSET 0x7fff8000ULL
+# if ASAN_MAC
+# define SHADOW_OFFSET (1ULL << 44)
+# else
+# define SHADOW_OFFSET 0x7fff8000ULL
+# endif
# endif
# endif
# endif
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