From 86e01104131611a89c0b2f58fa1be720f29e550d Mon Sep 17 00:00:00 2001
From: Richard Biener <rguenther@suse.de>
Date: Tue, 10 Jul 2018 13:02:34 +0000
Subject: [PATCH] hash-map.h (hash_map::iterator::operator*): Return references
 to key and value.

2018-07-10  Richard Biener  <rguenther@suse.de>

	* hash-map.h (hash_map::iterator::operator*): Return
	references to key and value.

From-SVN: r262539
---
 gcc/ChangeLog  | 5 +++++
 gcc/hash-map.h | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3230cf3aa82..f8717804b2a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2018-07-10  Richard Biener  <rguenther@suse.de>
+
+	* hash-map.h (hash_map::iterator::operator*): Return
+	references to key and value.
+
 2018-07-10  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/86443
diff --git a/gcc/hash-map.h b/gcc/hash-map.h
index 7861440f3b3..39848289d80 100644
--- a/gcc/hash-map.h
+++ b/gcc/hash-map.h
@@ -223,10 +223,10 @@ public:
       return *this;
     }
 
-    std::pair<Key, Value> operator* ()
+    std::pair<const Key&, Value&> operator* ()
     {
       hash_entry &e = *m_iter;
-      return std::pair<Key, Value> (e.m_key, e.m_value);
+      return std::pair<const Key&, Value&> (e.m_key, e.m_value);
     }
 
     bool
-- 
2.30.2