From: Chris Lattner <sabre@nondot.org>
Date: Fri, 20 Jan 2006 18:01:41 +0000 (+0000)
Subject: Don't use invalidated use_iterator's.  This fixes a crash compiling povray
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=75d3226b5ef5e6d3eb2a554433be0d90781ebd0e;p=oota-llvm.git

Don't use invalidated use_iterator's.  This fixes a crash compiling povray


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25479 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp
index 26a9947d306..568d08ab7a0 100644
--- a/lib/VMCore/AutoUpgrade.cpp
+++ b/lib/VMCore/AutoUpgrade.cpp
@@ -166,8 +166,8 @@ Instruction* llvm::UpgradeIntrinsicCall(CallInst *CI) {
 bool llvm::UpgradeCallsToIntrinsic(Function* F) {
   if (Function* newF = UpgradeIntrinsicFunction(F)) {
     for (Value::use_iterator UI = F->use_begin(), UE = F->use_end();
-         UI != UE; ++UI) {
-      if (CallInst* CI = dyn_cast<CallInst>(*UI)) {
+         UI != UE; UI) {
+      if (CallInst* CI = dyn_cast<CallInst>(*UI++)) {
         std::vector<Value*> Oprnds;
         User::op_iterator OI = CI->op_begin();
         ++OI;