re PR ipa/64988 (ICE: verify_cgraph_node failed: Alias and target's comdat…

re PR ipa/64988 (ICE: verify_cgraph_node failed: Alias and target's comdat groups differs with -fdeclone-ctor-dtor)


	PR ipa/64988
	* ipa-inline-transform.c (clone_inlined_nodes): Do not dissolve
	comdat groups.
	* g++.dg/torture/pr64988.C: New testcase.

From-SVN: r221123

gcc/ChangeLog

+2015-03-02  Jan Hubicka   <hubicka@ucw.cz>
+
+	PR ipa/64988
+	* ipa-inline-transform.c (clone_inlined_nodes): Do not dissolve
+	comdat groups.
+
 2015-03-02  Jan Hubicka  <hubicka@ucw.cz>
 	    Aldy Hernandez  <aldyh@redhat.com>
 

gcc/ipa-inline-transform.c

@@ -213,7 +213,7 @@ clone_inlined_nodes (struct cgraph_edge *e, bool duplicate,
 	     For now we keep the ohter functions in the group in program until
 	     cgraph_remove_unreachable_functions gets rid of them.  */
 	  gcc_assert (!e->callee->global.inlined_to);
-	  e->callee->dissolve_same_comdat_group_list ();
+	  e->callee->remove_from_same_comdat_group ();
 	  if (e->callee->definition
 	      && inline_account_function_p (e->callee))
 	    {
@@ -243,7 +243,7 @@ clone_inlined_nodes (struct cgraph_edge *e, bool duplicate,
 	}
     }
   else
-    e->callee->dissolve_same_comdat_group_list ();
+    e->callee->remove_from_same_comdat_group ();
 
   e->callee->global.inlined_to = inlining_into;
 

gcc/testsuite/ChangeLog

+2015-03-02  Jan Hubicka   <hubicka@ucw.cz>
+
+	PR ipa/64988
+	* g++.dg/torture/pr64988.C: New testcase.
+
 2015-03-02  Tobias Burnus  <burnus@net-b.de>
 
 	* gfortran.dg/coarray_atomic_6.f90: New.

gcc/testsuite/g++.dg/torture/pr64988.C

+// { dg-do compile }
+// { dg-options "-O -fdeclone-ctor-dtor" }
+struct A {
+  virtual ~ A ();
+};
+
+struct B : virtual A {};
+struct C : virtual A {};
+
+struct D : B, C {};
+
+D d;