From 34a10057376a3389aaeb356ce4e6b72fa1a232a1 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 25 Jul 2004 18:32:01 +0000
Subject: [PATCH] Fix a latent bug in the AliasSetTracker that was exposed by
 the FreeInst additions and broke a bunch of programs last night.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15214 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/AliasSetTracker.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Analysis/AliasSetTracker.cpp b/lib/Analysis/AliasSetTracker.cpp
index 22396b5d872..f11159ef9e1 100644
--- a/lib/Analysis/AliasSetTracker.cpp
+++ b/lib/Analysis/AliasSetTracker.cpp
@@ -198,7 +198,8 @@ AliasSet &AliasSetTracker::getAliasSetForPointer(Value *Pointer, unsigned Size,
   AliasSet::HashNodePair &Entry = getEntryFor(Pointer);
 
   // Check to see if the pointer is already known...
-  if (Entry.second.hasAliasSet() && Size <= Entry.second.getSize()) {
+  if (Entry.second.hasAliasSet()) {
+    Entry.second.updateSize(Size);
     // Return the set!
     return *Entry.second.getAliasSet(*this)->getForwardedTarget(*this);
   } else if (AliasSet *AS = findAliasSetForPointer(Pointer, Size)) {