From 14431c16d131560265254201df5ee575b8e3578f Mon Sep 17 00:00:00 2001
From: Mike Stump <mrs@apple.com>
Date: Tue, 17 Nov 2009 00:10:05 +0000
Subject: [PATCH] Since we always have 2 edges, we don't need to reserve 3 slot
 for the PHI node.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89005 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/CGCXXExpr.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/CodeGen/CGCXXExpr.cpp b/lib/CodeGen/CGCXXExpr.cpp
index 78734a00fb..eff432a05c 100644
--- a/lib/CodeGen/CGCXXExpr.cpp
+++ b/lib/CodeGen/CGCXXExpr.cpp
@@ -512,7 +512,7 @@ llvm::Value *CodeGenFunction::EmitDynamicCast(llvm::Value *V,
   EmitBlock(ContBlock);
   if (CanBeZero) {
     llvm::PHINode *PHI = Builder.CreatePHI(LTy);
-    PHI->reserveOperandSpace(3);
+    PHI->reserveOperandSpace(2);
     PHI->addIncoming(V, NonZeroBlock);
     PHI->addIncoming(llvm::Constant::getNullValue(LTy), NullBlock);
     V = PHI;
-- 
2.50.1