tsan: use stack depot to describe heap blocks

llvm-svn: 162902

1 files changed, 5 insertions, 1 deletions

diff --git a/compiler-rt/lib/tsan/rtl/tsan_mutex.cc b/compiler-rt/lib/tsan/rtl/tsan_mutex.cc
index 1a70f8fe443..074faada61a 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_mutex.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_mutex.cc
@@ -141,7 +141,7 @@ void DeadlockDetector::Lock(MutexType t) {
     TsanPrintf("ThreadSanitizer: internal deadlock detected\n");
     TsanPrintf("ThreadSanitizer: can't lock %d while under %zu\n",
                t, (uptr)max_idx);
-    Die();
+    CHECK(0);
   }
 }
 
@@ -256,4 +256,8 @@ void Mutex::ReadUnlock() {
 #endif
 }
 
+void Mutex::CheckLocked() {
+  CHECK_NE(atomic_load(&state_, memory_order_relaxed), 0);
+}
+
 }  // namespace __tsan