From 903eccd1d5e371d7a15e86595f7058eb178c0c04 Mon Sep 17 00:00:00 2001
From: Eric Botcazou <ebotcazou@adacore.com>
Date: Wed, 14 Oct 2015 21:32:04 +0000
Subject: [PATCH] * gimplify.c (gimplify_addr_expr) <MEM_REF>: New case.

From-SVN: r228828
---
 gcc/ChangeLog  | 4 ++++
 gcc/gimplify.c | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b2a38daec48..3b08986ed0e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2015-10-14  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gimplify.c (gimplify_addr_expr) <MEM_REF>: New case.
+
 2015-10-14  Peter Bergner  <bergner@vnet.ibm.com>
 	    Torvald Riegel  <triegel@redhat.com>
 
diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index 071645fc0e3..ab9e540e76d 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -4985,6 +4985,12 @@ gimplify_addr_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p)
       ret = GS_OK;
       break;
 
+    case MEM_REF:
+      if (integer_zerop (TREE_OPERAND (op0, 1)))
+	goto do_indirect_ref;
+
+      /* ... fall through ... */
+
     default:
       /* If we see a call to a declared builtin or see its address
 	 being taken (we can unify those cases here) then we can mark
-- 
2.30.2