Author: jtsoftware
Date: Thu Oct 22 21:21:17 2009
New Revision: 84924
URL: http://llvm.org/viewvc/llvm-project?rev=84924&view=rev
Log:
Fixed undefined behavior in pushMappings when the stack has to resize.
Modified:
cfe/trunk/lib/Basic/Diagnostic.cpp
Modified: cfe/trunk/lib/Basic/Diagnostic.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Diagnostic.cpp?rev=84924&r1=84923&r2=84924&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Diagnostic.cpp (original)
+++ cfe/trunk/lib/Basic/Diagnostic.cpp Thu Oct 22 21:21:17 2009
@@ -230,6 +230,8 @@
void Diagnostic::pushMappings() {
+ // Avoids undefined behavior when the stack has to resize.
+ DiagMappingsStack.reserve(DiagMappingsStack.size() + 1);
DiagMappingsStack.push_back(DiagMappingsStack.back());
}
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