re PR middle-end/64353 (ICE: in execute_todo, at passes.c:1986)

gcc/

	PR middle-end/64353
	* tree-cfg.c (pass_data_fixup_cfg): Update SSA for
	virtuals on start.

gcc/testsuite/

	PR middle-end/64353
	* g++.dg/pr64353.C: New.

From-SVN: r219748

gcc/ChangeLog

+2015-01-16  Ilya Enkovich  <ilya.enkovich@intel.com>
+
+	PR middle-end/64353
+	* tree-cfg.c (pass_data_fixup_cfg): Update SSA for
+	virtuals on start.
+
 2015-01-16  James Greenhalgh  <james.greenhalgh@arm.com>
 
 	* config/arm/cortex-a57.md: Remove duplicate of file accidentally

gcc/testsuite/ChangeLog

+2015-01-16  Ilya Enkovich  <ilya.enkovich@intel.com>
+
+	PR middle-end/64353
+	* g++.dg/pr64353.C: New.
+
 2015-01-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	PR target/64263

gcc/testsuite/g++.dg/pr64353.C

+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+class C
+{
+  int y, x;
+  void i ();
+  bool __attribute__((const)) xx () { return x; }
+};
+
+void C::i ()
+{
+  if (xx ())
+    x = 1;
+}

gcc/tree-cfg.c

@@ -8754,7 +8754,7 @@ const pass_data pass_data_fixup_cfg =
   PROP_cfg, /* properties_required */
   0, /* properties_provided */
   0, /* properties_destroyed */
-  0, /* todo_flags_start */
+  TODO_update_ssa_only_virtuals, /* todo_flags_start */
   0, /* todo_flags_finish */
 };