From 70b89a598ee665d92ee3586a18a2672e01b2668f Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@google.com>
Date: Thu, 4 Feb 2021 21:18:01 -0800
Subject: [PATCH] [IR] Drop unnecessary const from return types (NFC)

Identified with const-return-type.
---
 include/llvm/IR/DiagnosticInfo.h | 2 +-
 lib/IR/DiagnosticInfo.cpp        | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/llvm/IR/DiagnosticInfo.h b/include/llvm/IR/DiagnosticInfo.h
index c457072d50f..88972073563 100644
--- a/include/llvm/IR/DiagnosticInfo.h
+++ b/include/llvm/IR/DiagnosticInfo.h
@@ -381,7 +381,7 @@ public:
   /// Return a string with the location information for this diagnostic
   /// in the format "file:line:col". If location information is not available,
   /// it returns "<unknown>:0:0".
-  const std::string getLocationStr() const;
+  std::string getLocationStr() const;
 
   /// Return location information for this diagnostic in three parts:
   /// the relative source file path, line number and column.
diff --git a/lib/IR/DiagnosticInfo.cpp b/lib/IR/DiagnosticInfo.cpp
index 8820a79421c..749b798945b 100644
--- a/lib/IR/DiagnosticInfo.cpp
+++ b/lib/IR/DiagnosticInfo.cpp
@@ -152,7 +152,7 @@ void DiagnosticInfoWithLocationBase::getLocation(StringRef &RelativePath,
   Column = Loc.getColumn();
 }
 
-const std::string DiagnosticInfoWithLocationBase::getLocationStr() const {
+std::string DiagnosticInfoWithLocationBase::getLocationStr() const {
   StringRef Filename("<unknown>");
   unsigned Line = 0;
   unsigned Column = 0;