From f18753b8d0af54683d487546ab24028d6da5c9f1 Mon Sep 17 00:00:00 2001
From: Jakub Staszak <kubastaszak@gmail.com>
Date: Mon, 26 Nov 2012 22:14:19 +0000
Subject: [PATCH] Don't use iterator after being erased.

llvm-svn: 168622
---
 llvm/lib/CodeGen/MachineCSE.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/MachineCSE.cpp b/llvm/lib/CodeGen/MachineCSE.cpp
index 497e000b6872..dbc41defeb5a 100644
--- a/llvm/lib/CodeGen/MachineCSE.cpp
+++ b/llvm/lib/CodeGen/MachineCSE.cpp
@@ -429,8 +429,8 @@ void MachineCSE::ExitScope(MachineBasicBlock *MBB) {
   DEBUG(dbgs() << "Exiting: " << MBB->getName() << '\n');
   DenseMap<MachineBasicBlock*, ScopeType*>::iterator SI = ScopeMap.find(MBB);
   assert(SI != ScopeMap.end());
-  ScopeMap.erase(SI);
   delete SI->second;
+  ScopeMap.erase(SI);
 }
 
 bool MachineCSE::ProcessBlock(MachineBasicBlock *MBB) {