aboutsummaryrefslogtreecommitdiff
path: root/lib/tsan/rtl/tsan_update_shadow_word_inl.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/tsan/rtl/tsan_update_shadow_word_inl.h')
-rw-r--r--lib/tsan/rtl/tsan_update_shadow_word_inl.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/tsan/rtl/tsan_update_shadow_word_inl.h b/lib/tsan/rtl/tsan_update_shadow_word_inl.h
index c80e0a88d0eb..6e3ac2fa16f6 100644
--- a/lib/tsan/rtl/tsan_update_shadow_word_inl.h
+++ b/lib/tsan/rtl/tsan_update_shadow_word_inl.h
@@ -38,7 +38,8 @@ do {
}
StatInc(thr, StatShadowAnotherThread);
if (HappensBefore(old, thr)) {
- StoreIfNotYetStored(sp, &store_word);
+ if (old.IsRWWeakerOrEqual(kAccessIsWrite, kIsAtomic))
+ StoreIfNotYetStored(sp, &store_word);
break;
}
if (old.IsBothReadsOrAtomic(kAccessIsWrite, kIsAtomic))