From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 13 Apr 2016 12:27:52 +0000 (+0000)
Subject: 	PR middle-end/70633
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d08aa0326334346374a063e4d5ff19c055433da7;p=thirdparty%2Fgcc.git

	PR middle-end/70633
	* gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
	gimplification turns some element into non-constant.

	* gcc.c-torture/compile/pr70633.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234934 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1e03812a12a8..1d0953bc3920 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
 
+	PR middle-end/70633
+	* gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
+	gimplification turns some element into non-constant.
+
 	PR debug/70628
 	* rtl.h (convert_memory_address_addr_space_1): New prototype.
 	* explow.c (convert_memory_address_addr_space_1): No longer static,
diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index e49bdaa627f6..99c9760f85f5 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -4164,7 +4164,7 @@ gimplify_init_constructor (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p,
 	  }
 
 	/* Vector types use CONSTRUCTOR all the way through gimple
-	  compilation as a general initializer.  */
+	   compilation as a general initializer.  */
 	FOR_EACH_VEC_SAFE_ELT (elts, ix, ce)
 	  {
 	    enum gimplify_status tret;
@@ -4172,6 +4172,10 @@ gimplify_init_constructor (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p,
 				  fb_rvalue);
 	    if (tret == GS_ERROR)
 	      ret = GS_ERROR;
+	    else if (TREE_STATIC (ctor)
+		     && !initializer_constant_valid_p (ce->value,
+						       TREE_TYPE (ce->value)))
+	      TREE_STATIC (ctor) = 0;
 	  }
 	if (!is_gimple_reg (TREE_OPERAND (*expr_p, 0)))
 	  TREE_OPERAND (*expr_p, 1) = get_formal_tmp_var (ctor, pre_p);
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 427803644dac..e390840bd227 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
 
+	PR middle-end/70633
+	* gcc.c-torture/compile/pr70633.c: New test.
+
 	PR debug/70628
 	* gcc.dg/torture/pr70628.c: New test.
 
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr70633.c b/gcc/testsuite/gcc.c-torture/compile/pr70633.c
new file mode 100644
index 000000000000..6d783cb31661
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr70633.c
@@ -0,0 +1,12 @@
+/* PR middle-end/70633 */
+
+typedef long V __attribute__((vector_size (4 * sizeof (long))));
+
+void foo (V *);
+
+void
+bar (void)
+{ 
+  V b = { (long) bar, 0, 0, 0 };
+  foo (&b);
+}