commit 93c26022f362c9e0a6acbe3bf3c7c395e19e0835
author Reid Kleckner <reid@kleckner.net> Wed Mar 06 16:11:58 2013 +0000
committer Reid Kleckner <reid@kleckner.net> Wed Mar 06 16:11:58 2013 +0000
tree 6a827a1a5c1f74f2390503a86d329ae8d15425b5
parent 3c27d7f4e3413dd4f2e50eebac7c8f9bd916c1ca

[msan] Block reports from interceptors during _Unwind_Backtrace

Summary:
I'm hitting a big recursive report from:
  uninit on strlen ->
  __msan::PrintWarningWithOrigin() ->
  __msan::GetStackTrace() ->
  __sanitizer::StackTrace::SlowUnwindStack() ->
  _Unwind_Backtrace() ->
  ... libgcc calls ->
  uninit on strlen() ->
  ... repeats

Reviewers: eugenis

Differential Revision: http://llvm-reviews.chandlerc.com/D497

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@176555 91177308-0d34-0410-b5e6-96231b3b80d8