From ba25f0924ef3be887fb67ed6a66f3dee77461f44 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 5 Jan 2010 17:50:58 +0000
Subject: [PATCH] Nick Lewycky pointed out that this code makes changes
 unconditionally.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92739 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Utils/Local.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp
index 30fe8025135..1a7d27ad45c 100644
--- a/lib/Transforms/Utils/Local.cpp
+++ b/lib/Transforms/Utils/Local.cpp
@@ -328,7 +328,8 @@ llvm::RecursivelyDeleteDeadPHINode(PHINode *PN) {
       if (!PHIs.insert(cast<PHINode>(JP))) {
         // Break the cycle and delete the PHI and its operands.
         JP->replaceAllUsesWith(UndefValue::get(JP->getType()));
-        Changed |= RecursivelyDeleteTriviallyDeadInstructions(JP);
+        (void)RecursivelyDeleteTriviallyDeadInstructions(JP);
+        Changed = true;
         break;
       }
   return Changed;
-- 
2.34.1