[PATCH] Fix another profiledbootstrap warning (PR libfortran/79956).

[Martin Liška]

Hello.

Currently running tests and as the patch is pre-approved by Richi, I'm going to 
install
it afterwards.

Martin

>From 78af53942b50d6bb47959d263336072f1d7ff6ed Mon Sep 17 00:00:00 2001
From: marxin <mli...@suse.cz>
Date: Tue, 21 Mar 2017 11:57:27 +0100
Subject: [PATCH] Fix another profiledbootstrap warning (PR libfortran/79956).

gcc/ChangeLog:

2017-03-21  Martin Liska  <mli...@suse.cz>

	PR libfortran/79956
	* simplify-rtx.c (simplify_immed_subreg): Initialize a variable
	to NULL.
---
 gcc/simplify-rtx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c
index fb04cd002ac..640ccb7cb95 100644
--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -5711,7 +5711,7 @@ simplify_immed_subreg (machine_mode outermode, rtx op,
   int num_elem;
   rtx * elems;
   int elem_bitsize;
-  rtx result_s;
+  rtx result_s = NULL;
   rtvec result_v = NULL;
   enum mode_class outer_class;
   machine_mode outer_submode;
-- 
2.12.0