From 4daa9071ed1afde7fb03c7e0198101f4806b7d11 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 6 Oct 2008 18:00:07 +0000
Subject: [PATCH] Don't dereference the end() iterator. Thanks to
 ENABLE_EXPENSIVE_CHECKS for finding this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57181 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/VirtRegMap.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index f03db748973..26d019b2841 100644
--- a/lib/CodeGen/VirtRegMap.cpp
+++ b/lib/CodeGen/VirtRegMap.cpp
@@ -143,7 +143,7 @@ int VirtRegMap::getEmergencySpillSlot(const TargetRegisterClass *RC) {
     LowSpillSlot = SS;
   if (HighSpillSlot == NO_STACK_SLOT || SS > HighSpillSlot)
     HighSpillSlot = SS;
-  I->second = SS;
+  EmergencySpillSlots[RC] = SS;
   return SS;
 }