tsan: fix COMPAT shadow mapping once again
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@162020 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/tsan/rtl/tsan_platform.h b/lib/tsan/rtl/tsan_platform.h
index 35906b4..888daf6 100644
--- a/lib/tsan/rtl/tsan_platform.h
+++ b/lib/tsan/rtl/tsan_platform.h
@@ -72,7 +72,7 @@
// COMPAT mapping is not quite one-to-one.
static inline uptr AlternativeAddress(uptr addr) {
#if defined(TSAN_COMPAT_SHADOW) && TSAN_COMPAT_SHADOW
- return addr | 0x280000000000ULL;
+ return (addr & ~kLinuxAppMemMsk) | 0x280000000000ULL;
#else
return 0;
#endif
