From f34eea5aa1bcd7182afd3f96b30344e6045f5d7b Mon Sep 17 00:00:00 2001
From: Francis Visoiu Mistrih <francisvm@yahoo.com>
Date: Tue, 19 Dec 2017 11:51:05 +0000
Subject: [PATCH] [YAML] Always double quote UTF-8 characters

llvm-svn: 321068
---
 llvm/include/llvm/Support/YAMLTraits.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/llvm/include/llvm/Support/YAMLTraits.h b/llvm/include/llvm/Support/YAMLTraits.h
index 83b097a199d6..3ee556d75335 100644
--- a/llvm/include/llvm/Support/YAMLTraits.h
+++ b/llvm/include/llvm/Support/YAMLTraits.h
@@ -549,9 +549,9 @@ inline QuotingType needsQuotes(StringRef S) {
       // range.
       if (C <= 0x1F)
         return QuotingType::Double;
-      // C1 control block (0x80 - 0x9F) is excluded from the allowed character
-      // range.
-      if (C >= 0x80 && C <= 0x9F)
+
+      // Always double quote UTF-8.
+      if (C & 0x80 != 0)
         return QuotingType::Double;
 
       // The character is not safe, at least simple quoting needed.
-- 
2.34.1