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authorRichard Smith <richard-llvm@metafoo.co.uk>2012-12-22 00:15:13 +0000
committerRichard Smith <richard-llvm@metafoo.co.uk>2012-12-22 00:15:13 +0000
commit2b45dd58b22da40bb08e82d1564ccecca4a700f5 (patch)
tree49da29c5119a53bed099ef7e76cdaf121fbcbc8b /lib/Support/YAMLTraits.cpp
parentd0696ef8c33b9b2504e89bc0aab2ea99a6c90756 (diff)
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Don't call back() on an empty SmallVector. Found by -fsanitize=enum!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170968 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/YAMLTraits.cpp')
-rw-r--r--lib/Support/YAMLTraits.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Support/YAMLTraits.cpp b/lib/Support/YAMLTraits.cpp
index a31c31915a..8fcef40d24 100644
--- a/lib/Support/YAMLTraits.cpp
+++ b/lib/Support/YAMLTraits.cpp
@@ -516,7 +516,7 @@ void Output::output(StringRef s) {
void Output::outputUpToEndOfLine(StringRef s) {
this->output(s);
- if (StateStack.back() != inFlowSeq)
+ if (StateStack.empty() || StateStack.back() != inFlowSeq)
NeedsNewLine = true;
}