From: Richard Biener <rguenther@suse.de>
Date: Mon, 10 Apr 2017 08:58:02 +0000 (+0000)
Subject: re PR tree-optimization/80344 (-Wuninitialized triggering on a ctor on ARM)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cd7fac9613dba1f3399e0bcbeca925bd72dd100d;p=gcc.git

re PR tree-optimization/80344 (-Wuninitialized triggering on a ctor on ARM)

2017-04-10  Richard Biener  <rguenther@suse.de>

	PR middle-end/80344
	* gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.

From-SVN: r246800
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1f7f645aead..8a773bd0214 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-04-10  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/80344
+	* gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
+ 
 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/80324
diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index ff8d56b2154..c69d5b93534 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -493,7 +493,9 @@ is_gimple_mem_rhs_or_call (tree t)
   if (is_gimple_reg_type (TREE_TYPE (t)))
     return is_gimple_val (t);
   else
-    return (is_gimple_val (t) || is_gimple_lvalue (t)
+    return (is_gimple_val (t)
+	    || is_gimple_lvalue (t)
+	    || TREE_CLOBBER_P (t)
 	    || TREE_CODE (t) == CALL_EXPR);
 }