From c10948d02b7252f009bf553897a2ee8acff627ab Mon Sep 17 00:00:00 2001
From: "Michael J. Spencer" <bigcheesegs@gmail.com>
Date: Mon, 14 May 2012 22:43:34 +0000
Subject: [PATCH] [Support/YAMLParser] Use rtrim on plain scalars.

llvm-svn: 156787
---
 llvm/lib/Support/YAMLParser.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/llvm/lib/Support/YAMLParser.cpp b/llvm/lib/Support/YAMLParser.cpp
index 211ed2cdc3de..29d938b3874b 100644
--- a/llvm/lib/Support/YAMLParser.cpp
+++ b/llvm/lib/Support/YAMLParser.cpp
@@ -1630,9 +1630,7 @@ StringRef ScalarNode::getValue(SmallVectorImpl<char> &Storage) const {
     return UnquotedValue;
   }
   // Plain or block.
-  size_t trimtrail = Value.rfind(' ');
-  return Value.drop_back(
-    trimtrail == StringRef::npos ? 0 : Value.size() - trimtrail);
+  return Value.rtrim(" ");
 }
 
 StringRef ScalarNode::unescapeDoubleQuoted( StringRef UnquotedValue