From b3de347f3296995eb2a648d6303ab66bf689e104 Mon Sep 17 00:00:00 2001
From: David Malcolm <dmalcolm@redhat.com>
Date: Thu, 9 Jan 2020 01:35:59 +0000
Subject: [PATCH] sbitmap.h: add operator const_sbitmap to auto_sbitmap

gcc/ChangeLog:
	* sbitmap.h (auto_sbitmap): Add operator const_sbitmap.

From-SVN: r280026
---
 gcc/ChangeLog | 4 ++++
 gcc/sbitmap.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4587da982b4..4c6e926d93f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2020-01-08  David Malcolm  <dmalcolm@redhat.com>
+
+	* sbitmap.h (auto_sbitmap): Add operator const_sbitmap.
+
 2020-01-08  Jim Wilson  <jimw@sifive.com>
 
 	* config/riscv/riscv.c (riscv_legitimize_tls_address): Ifdef out
diff --git a/gcc/sbitmap.h b/gcc/sbitmap.h
index e3f514f0ebf..9c4215db29b 100644
--- a/gcc/sbitmap.h
+++ b/gcc/sbitmap.h
@@ -295,6 +295,7 @@ public:
 
   /* Allow calling sbitmap functions on our bitmap.  */
   operator sbitmap () { return m_bitmap; }
+  operator const_sbitmap () const { return m_bitmap; }
 
 private:
   /* Prevent making a copy that refers to our sbitmap.  */
-- 
2.30.2