From 48da191fb3a78e8335e54b9edc35fdbfdf545621 Mon Sep 17 00:00:00 2001
From: "Duncan P. N. Exon Smith" <dexonsmith@apple.com>
Date: Mon, 2 Feb 2015 20:20:56 +0000
Subject: [PATCH] Fix the -Werror build, NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227849 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/IR/DebugInfoMetadata.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/IR/DebugInfoMetadata.cpp b/lib/IR/DebugInfoMetadata.cpp
index 21a95f9f9fc..467d21ad36a 100644
--- a/lib/IR/DebugInfoMetadata.cpp
+++ b/lib/IR/DebugInfoMetadata.cpp
@@ -77,9 +77,11 @@ static StringRef getString(const MDString *S) {
   return StringRef();
 }
 
+#ifndef NDEBUG
 static bool isCanonical(const MDString *S) {
   return !S || !S->getString().empty();
 }
+#endif
 
 GenericDebugNode *GenericDebugNode::getImpl(LLVMContext &Context, unsigned Tag,
                                             MDString *Header,