re PR c++/53356 (ICE in verify_gimple_stmt, at tree-cfg.c:4258)

	PR c++/53356
	* tree.c (stabilize_init): Side effects make the init unstable.

From-SVN: r188019

gcc/cp/ChangeLog

+2012-05-30  Jason Merrill  <jason@redhat.com>
+
+	PR c++/53356
+	* tree.c (stabilize_init): Side effects make the init unstable.
+
 2012-05-28  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/53503

gcc/cp/tree.c

@@ -3458,7 +3458,7 @@ stabilize_init (tree init, tree *initp)
 
   /* The initialization is being performed via a bitwise copy -- and
      the item copied may have side effects.  */
-  return TREE_SIDE_EFFECTS (init);
+  return !TREE_SIDE_EFFECTS (init);
 }
 
 /* Like "fold", but should be used whenever we might be processing the

gcc/testsuite/ChangeLog

+2012-05-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/53356
+	* g++.dg/init/new33.C: New test.
+
 2012-05-30  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/53501

gcc/testsuite/g++.dg/init/new33.C

+// PR c++/53356
+// { dg-do compile }
+
+struct A {};
+struct B { operator const A & () const; };
+struct C { operator const A & () const; C (); };
+struct D { operator const A & () const; D (); ~D (); };
+
+A *foo () { return new A (B ()); }
+A *bar () { return new A (C ()); }
+A *baz () { return new A (D ()); }