Author: cornedbee
Date: Wed Sep 29 20:03:03 2010
New Revision: 115117
URL: http://llvm.org/viewvc/llvm-project?rev=115117&view=rev
Log:
In MeasureTokenLength, the FileLoc supplied to the lexer must point to the
start of the buffer, or we risk overflow.
Modified:
cfe/trunk/lib/Lex/Lexer.cpp
Modified: cfe/trunk/lib/Lex/Lexer.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/Lexer.cpp?rev=115117&r1=115116&r2=115117&view=diff
==============================================================================
--- cfe/trunk/lib/Lex/Lexer.cpp (original)
+++ cfe/trunk/lib/Lex/Lexer.cpp Wed Sep 29 20:03:03 2010
@@ -242,7 +242,8 @@
return 0;
// Create a lexer starting at the beginning of this token.
- Lexer TheLexer(Loc, LangOpts, Buffer.begin(), StrData, Buffer.end());
+ Lexer TheLexer(SM.getLocForStartOfFile(LocInfo.first), LangOpts,
+ Buffer.begin(), StrData, Buffer.end());
TheLexer.SetCommentRetentionState(true);
Token TheTok;
TheLexer.LexFromRawLexer(TheTok);
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