[compiler-rt] r180781 - tsan: reverse stack trace for failed CHECK's, this is how we print traces in other places

[Dmitry Vyukov]

Author: dvyukov
Date: Tue Apr 30 06:57:32 2013
New Revision: 180781

URL: http://llvm.org/viewvc/llvm-project?rev=180781&view=rev
Log:
tsan: reverse stack trace for failed CHECK's, this is how we print traces in other places

Modified:
    compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc?rev=180781&r1=180780&r2=180781&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc Tue Apr 30 06:57:32 2013
@@ -695,6 +695,11 @@ void PrintCurrentStackSlow() {
       sizeof(__sanitizer::StackTrace))) __sanitizer::StackTrace;
   ptrace->SlowUnwindStack(__sanitizer::StackTrace::GetCurrentPc(),
       kStackTraceMax);
+  for (uptr i = 0; i < ptrace->size / 2; i++) {
+    uptr tmp = ptrace->trace[i];
+    ptrace->trace[i] = ptrace->trace[ptrace->size - i - 1];
+    ptrace->trace[ptrace->size - i - 1] = tmp;
+  }
   StackTrace trace;
   trace.Init(ptrace->trace, ptrace->size);
   PrintStack(SymbolizeStack(trace));