[compiler-rt] r194195 - [Sanitizer] Presumable fix stack trace unwinding on Windows

[Alexey Samsonov]

Author: samsonov
Date: Thu Nov  7 00:53:41 2013
New Revision: 194195

URL: http://llvm.org/viewvc/llvm-project?rev=194195&view=rev
Log:
[Sanitizer] Presumable fix stack trace unwinding on Windows

Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_win.cc

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_win.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_win.cc?rev=194195&r1=194194&r2=194195&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_win.cc (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_win.cc Thu Nov  7 00:53:41 2013
@@ -382,7 +382,7 @@ void StackTrace::SlowUnwindStack(uptr pc
   // FIXME: CaptureStackBackTrace might be too slow for us.
   // FIXME: Compare with StackWalk64.
   // FIXME: Look at LLVMUnhandledExceptionFilter in Signals.inc
-  uptr cs_ret = CaptureStackBackTrace(1, max_depth, tmp, 0);
+  uptr cs_ret = CaptureStackBackTrace(2, max_depth, tmp, 0);
   uptr offset = 0;
   // Skip the RTL frames by searching for the PC in the stacktrace.
   // FIXME: this doesn't work well for the malloc/free stacks yet.