Author: aaronballman
Date: Mon Nov 18 12:29:00 2013
New Revision: 195024
URL: http://llvm.org/viewvc/llvm-project?rev=195024&view=rev
Log:
Adding an assert to help catch possible buffer underruns.
Modified:
cfe/trunk/lib/Basic/SourceManager.cpp
Modified: cfe/trunk/lib/Basic/SourceManager.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/SourceManager.cpp?rev=195024&r1=195023&r2=195024&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/SourceManager.cpp (original)
+++ cfe/trunk/lib/Basic/SourceManager.cpp Mon Nov 18 12:29:00 2013
@@ -1757,6 +1757,10 @@ FileID SourceManager::translateFile(cons
SourceLocation SourceManager::translateLineCol(FileID FID,
unsigned Line,
unsigned Col) const {
+ // Lines are used as a one-based index into a zero-based array. This assert
+ // checks for possible buffer underruns.
+ assert(Line != 0 && "Passed a zero-based line");
+
if (FID.isInvalid())
return SourceLocation();
_______________________________________________
cfe-commits mailing list
[email protected]
http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
