[compiler-rt] r224519 - tsan: fix deadlock reporting

[Dmitry Vyukov]

Author: dvyukov
Date: Thu Dec 18 08:05:34 2014
New Revision: 224519

URL: http://llvm.org/viewvc/llvm-project?rev=224519&view=rev
Log:
tsan: fix deadlock reporting

currently deadlock detector reports effectively random stacks in report after flush
because it looks at old edges with wrong stacks


Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_deadlock_detector.h

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_deadlock_detector.h
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_deadlock_detector.h?rev=224519&r1=224518&r2=224519&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_deadlock_detector.h (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_deadlock_detector.h Thu Dec 18 08:05:34 2014
@@ -178,6 +178,7 @@ class DeadlockDetector {
     recycled_nodes_.clear();
     available_nodes_.setAll();
     g_.clear();
+    n_edges_ = 0;
     return getAvailableNode(data);
   }