commit 547f9dd4c0302fe9a571e1811a4a92dd82ef89f6
author Kostya Serebryany <kcc@google.com> Fri Oct 18 17:46:43 2013 +0000
committer Kostya Serebryany <kcc@google.com> Fri Oct 18 17:46:43 2013 +0000
tree 774dcb37659bdaae4447f95e6bd52bcb29cea57d
parent 1fe68b87dcd9be36b5b4d35e74cc5b0666500ec4

[asan] fix stack trace printing on Mac

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@192990 91177308-0d34-0410-b5e6-96231b3b80d8

lib/asan/asan_stack.cc

diff --git a/lib/asan/asan_stack.cc b/lib/asan/asan_stack.cc
index aec7581..cbc151c 100644
--- a/lib/asan/asan_stack.cc
+++ b/lib/asan/asan_stack.cc
@@ -25,6 +25,10 @@
 }
 
 void PrintStack(const uptr *trace, uptr size) {
+  if (!trace) {
+    Printf("<empty stack>\n");
+    return;
+  }
   StackTrace::PrintStack(trace, size, common_flags()->symbolize,
                          MaybeCallAsanSymbolize);
 }