From 923dbc9300bf9e85b359950bac47d0c16b03d9e5 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@intel.com>
Date: Wed, 30 Aug 2017 02:05:03 +0000
Subject: [PATCH] [TableGen] Fix a range based for loop to take the value by
 reference so that SimplifyTree can modify the copy in the array if its needs
 to.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312088 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/TableGen/CodeGenDAGPatterns.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index e48ba384532..5200cda8faa 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -2304,7 +2304,7 @@ InferAllTypes(const StringMap<SmallVector<TreePatternNode*,1> > *InNamedTypes) {
   bool MadeChange = true;
   while (MadeChange) {
     MadeChange = false;
-    for (TreePatternNode *Tree : Trees) {
+    for (TreePatternNode *&Tree : Trees) {
       MadeChange |= Tree->ApplyTypeConstraints(*this, false);
       MadeChange |= SimplifyTree(Tree);
     }
-- 
2.50.1