From bea68b3021ee9fea9ca28f8d14e742b025f95c2b Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 17 Jun 2003 03:57:18 +0000
Subject: [PATCH] Don't corrupt memory when removing an instruction from the
 program, but not the worklist

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6733 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Scalar/GCSE.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Transforms/Scalar/GCSE.cpp b/lib/Transforms/Scalar/GCSE.cpp
index b467784b5e1..6883818dbc0 100644
--- a/lib/Transforms/Scalar/GCSE.cpp
+++ b/lib/Transforms/Scalar/GCSE.cpp
@@ -120,6 +120,7 @@ bool GCSE::EliminateRedundancies(Instruction *I,
 
           // Erase the instruction from the program.
           I->getParent()->getInstList().erase(I);
+          WorkList.erase(I);
         }
       
       return true;