From 2412a05b80f2bfedc02410784451ca24f0756553 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 23 May 2004 21:14:09 +0000
Subject: [PATCH] Fix a really nasty bug with the -disable-ds-field-sensitivity
 option

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13681 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/DataStructure/Local.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/Analysis/DataStructure/Local.cpp b/lib/Analysis/DataStructure/Local.cpp
index c969cc6621b..995c115af9f 100644
--- a/lib/Analysis/DataStructure/Local.cpp
+++ b/lib/Analysis/DataStructure/Local.cpp
@@ -130,6 +130,9 @@ namespace {
     DSNode *createNode(const Type *Ty = 0) {
       DSNode *N = new DSNode(Ty, &G);   // Create the node
       if (DisableFieldSensitivity) {
+        // Create node handle referring to the old node so that it is
+        // immediately removed from the graph when the node handle is destroyed.
+        DSNodeHandle OldNNH = N;
         N->foldNodeCompletely();
         if (DSNode *FN = N->getForwardNode())
           N = FN;