[llvm-commits] CVS: llvm/lib/Analysis/AliasSetTracker.cpp

[Nick Lewycky]

Changes in directory llvm/lib/Analysis:

AliasSetTracker.cpp updated: 1.42 -> 1.43
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Log message:

Explain change with a comment.


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Diffs of the changes:  (+2 -2)

 AliasSetTracker.cpp |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)


Index: llvm/lib/Analysis/AliasSetTracker.cpp
diff -u llvm/lib/Analysis/AliasSetTracker.cpp:1.42 llvm/lib/Analysis/AliasSetTracker.cpp:1.43
--- llvm/lib/Analysis/AliasSetTracker.cpp:1.42	Sun Sep 17 11:23:36 2006
+++ llvm/lib/Analysis/AliasSetTracker.cpp	Sun Sep 17 12:51:00 2006
@@ -374,8 +374,8 @@
     ++NumRefs;
 
     // Finally, remove the entry.
-    Value *Remove = P->first;
-    PointerMap.erase(Remove);
+    Value *Remove = P->first;   // Take a copy because it is invalid to pass
+    PointerMap.erase(Remove);   // a reference to the data being erased.
   }
   
   // Stop using the alias set, removing it.