[cfe-commits] r55236 - /cfe/trunk/lib/Lex/Preprocessor.cpp

[Argiris Kirtzidis]

Author: akirtzidis
Date: Sat Aug 23 07:12:06 2008
New Revision: 55236

URL: http://llvm.org/viewvc/llvm-project?rev=55236&view=rev
Log:
Add a safety check.
Make sure there's no "dangling" backtrack position when Preprocessor is destroyed.

Modified:
    cfe/trunk/lib/Lex/Preprocessor.cpp

Modified: cfe/trunk/lib/Lex/Preprocessor.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/Preprocessor.cpp?rev=55236&r1=55235&r2=55236&view=diff

==============================================================================
--- cfe/trunk/lib/Lex/Preprocessor.cpp (original)
+++ cfe/trunk/lib/Lex/Preprocessor.cpp Sat Aug 23 07:12:06 2008
@@ -84,6 +84,8 @@
 }
 
 Preprocessor::~Preprocessor() {
+  assert(BacktrackPositions.empty() && "EnableBacktrack/Backtrack imbalance!");
+
   // Free any active lexers.
   delete CurLexer;