From c7b465366a529b8e21f52fbdcc7073d6ca859c40 Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nicholas@mxc.ca>
Date: Sun, 17 Sep 2006 16:23:36 +0000
Subject: Fix PR912. The input to erase() must not be a reference to the data
 being erased.

llvm-svn: 30442
---
 llvm/lib/Analysis/AliasSetTracker.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/Analysis')

diff --git a/llvm/lib/Analysis/AliasSetTracker.cpp b/llvm/lib/Analysis/AliasSetTracker.cpp
index 6d09b65c6b8..39f01b613ec 100644
--- a/llvm/lib/Analysis/AliasSetTracker.cpp
+++ b/llvm/lib/Analysis/AliasSetTracker.cpp
@@ -374,7 +374,8 @@ void AliasSetTracker::remove(AliasSet &AS) {
     ++NumRefs;
 
     // Finally, remove the entry.
-    PointerMap.erase(P->first);
+    Value *Remove = P->first;
+    PointerMap.erase(Remove);
   }
   
   // Stop using the alias set, removing it.
-- 
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