[compiler-rt] r275486 - [compiler-rt] Fix missing frame with stackwalking on windows 64-bits

[Etienne Bergeron via llvm-commits]

Author: etienneb
Date: Thu Jul 14 17:04:28 2016
New Revision: 275486

URL: http://llvm.org/viewvc/llvm-project?rev=275486&view=rev
Log:
[compiler-rt] Fix missing frame with stackwalking on windows 64-bits

Summary: Fix missing frame with stackwalking on windows 64-bits

Reviewers: rnk

Subscribers: llvm-commits, wang0109, kubabrecka, chrisha

Differential Revision: https://reviews.llvm.org/D22358

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=275486&r1=275485&r2=275486&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_win.cc (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_win.cc Thu Jul 14 17:04:28 2016
@@ -718,7 +718,7 @@ void BufferedStackTrace::SlowUnwindStack
   // FIXME: CaptureStackBackTrace might be too slow for us.
   // FIXME: Compare with StackWalk64.
   // FIXME: Look at LLVMUnhandledExceptionFilter in Signals.inc
-  size = CaptureStackBackTrace(2, Min(max_depth, kStackTraceMax),
+  size = CaptureStackBackTrace(1, Min(max_depth, kStackTraceMax),
                                (void**)trace, 0);
   if (size == 0)
     return;