Fix gdb.cp/anon-struct.cc with -std=c++11.

gcc/
	* dwarf2out.c (gen_member_die): Don't emit anything for an
	anonymous class constructor.
gcc/cp/
	* decl2.c (reset_type_linkage_2): Update the DECL_NAME of a
	maybe-in-charge constructor.

From-SVN: r222839

gcc/ChangeLog

+2015-05-05  Jason Merrill  <jason@redhat.com>
+
+	* dwarf2out.c (gen_member_die): Don't emit anything for an
+	anonymous class constructor.
+
 2015-05-05  David Malcolm  <dmalcolm@redhat.com>
 
 	* auto-profile.c (afdo_find_equiv_class): Fix indentation so

gcc/cp/ChangeLog

 2015-05-05  Jason Merrill  <jason@redhat.com>
 
+	* decl2.c (reset_type_linkage_2): Update the DECL_NAME of a
+	maybe-in-charge constructor.
+
 	* decl.c (start_decl): Don't push the plain VAR_DECL for a
 	variable template.
 

gcc/cp/decl2.c

@@ -2648,7 +2648,12 @@ reset_type_linkage_2 (tree type)
 	if (TREE_CODE (m) == VAR_DECL)
 	  reset_decl_linkage (m);
       for (tree m = TYPE_METHODS (type); m; m = DECL_CHAIN (m))
-	reset_decl_linkage (m);
+	{
+	  reset_decl_linkage (m);
+	  if (DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (m))
+	    /* Also update its name, for cxx_dwarf_name.  */
+	    DECL_NAME (m) = TYPE_IDENTIFIER (type);
+	}
       binding_table_foreach (CLASSTYPE_NESTED_UTDS (type),
 			     bt_reset_linkage_2, NULL);
     }

gcc/dwarf2out.c

@@ -19951,6 +19951,10 @@ gen_member_die (tree type, dw_die_ref context_die)
       /* Don't include clones in the member list.  */
       if (DECL_ABSTRACT_ORIGIN (member))
 	continue;
+      /* Nor constructors for anonymous classes.  */
+      if (DECL_ARTIFICIAL (member)
+	  && dwarf2_name (member, 0) == NULL)
+	continue;
 
       child = lookup_decl_die (member);
       if (child)