Author: d0k
Date: Sat Feb 13 07:42:41 2016
New Revision: 260814
URL: http://llvm.org/viewvc/llvm-project?rev=260814&view=rev
Log:
Fix use after free.
Found by asan.
Modified:
cfe/trunk/lib/Lex/Pragma.cpp
Modified: cfe/trunk/lib/Lex/Pragma.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/Pragma.cpp?rev=260814&r1=260813&r2=260814&view=diff
==============================================================================
--- cfe/trunk/lib/Lex/Pragma.cpp (original)
+++ cfe/trunk/lib/Lex/Pragma.cpp Sat Feb 13 07:42:41 2016
@@ -1026,7 +1026,7 @@ public:
diag::Flavor Flavor = WarningName[1] == 'W' ? diag::Flavor::WarningOrError
: diag::Flavor::Remark;
- StringRef Group = WarningName.substr(2);
+ StringRef Group = StringRef(WarningName).substr(2);
bool unknownDiag = false;
if (Group == "everything") {
// Special handling for pragma clang diagnostic ... "-Weverything".
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