[Support/YAMLParser] Use rtrim on plain scalars.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156787 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Support/YAMLParser.cpp b/lib/Support/YAMLParser.cpp
index 211ed2cdc3de079914ad918891430a793cebd2f2..29d938b3874bfcb2613db91ba1a448708b7bbce8 100644 (file)
--- a/lib/Support/YAMLParser.cpp
+++ b/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