[cfe-commits] r49535 - /cfe/trunk/lib/Lex/Lexer.cpp
Chris Lattner
sabre at nondot.org
Fri Apr 11 09:20:41 PDT 2008
Author: lattner
Date: Fri Apr 11 11:20:41 2008
New Revision: 49535
URL: http://llvm.org/viewvc/llvm-project?rev=49535&view=rev
Log:
don't read off the front of the buffer. Thanks to Sam for pointing this out.
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=49535&r1=49534&r2=49535&view=diff
==============================================================================
--- cfe/trunk/lib/Lex/Lexer.cpp (original)
+++ cfe/trunk/lib/Lex/Lexer.cpp Fri Apr 11 11:20:41 2008
@@ -1142,7 +1142,7 @@
}
// If the file was empty or didn't end in a newline, issue a pedwarn.
- if (CurPtr[-1] != '\n' && CurPtr[-1] != '\r')
+ if (CurPtr == BufferStart || (CurPtr[-1] != '\n' && CurPtr[-1] != '\r'))
Diag(BufferEnd, diag::ext_no_newline_eof);
BufferPtr = CurPtr;
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