From 4c2fadbc18c5a4657e3202b34633668ce26dea97 Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Thu, 9 Dec 2010 21:20:44 +0000
Subject: Add a forgotten initializer for CheckedFirstInterference.

llvm-svn: 121410
---
 llvm/lib/CodeGen/LiveIntervalUnion.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'llvm/lib/CodeGen/LiveIntervalUnion.cpp')

diff --git a/llvm/lib/CodeGen/LiveIntervalUnion.cpp b/llvm/lib/CodeGen/LiveIntervalUnion.cpp
index d5c7bf08eb6..59d48a4b64d 100644
--- a/llvm/lib/CodeGen/LiveIntervalUnion.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalUnion.cpp
@@ -168,6 +168,8 @@ LiveIntervalUnion::Query::firstInterference() {
       IR.VirtRegI = VirtReg->end();
   }
   findIntersection(FirstInterference);
+  assert((IR.VirtRegI == VirtReg->end() || IR.LiveUnionI.valid())
+         && "Uninitialized iterator");
   return FirstInterference;
 }
 
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