re PR c++/63619 (warning: deleting ‘void*’ is undefined has no -W flag)

PR c++/63619

gcc/cp:
	PR c++/63619
	* decl2.c (delete_sanity): Use OPT_Wdelete_incomplete in warning.

gcc/testsuite:
	PR c++/63619
	* g++.dg/warn/Wdelete-incomplete-3.C: New.
	* g++.dg/warn/Wdelete-incomplete-4.C: New.

From-SVN: r216599

gcc/cp/ChangeLog

+2014-10-23  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR c++/63619
+	* decl2.c (delete_sanity): Use OPT_Wdelete_incomplete in warning.
+
 2014-10-21  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* parser.c (cp_parser_unary_expression): Add default arguments.

gcc/cp/decl2.c

@@ -478,7 +478,7 @@ delete_sanity (tree exp, tree size, bool doing_vec, int use_global_delete,
   /* Deleting ptr to void is undefined behavior [expr.delete/3].  */
   if (VOID_TYPE_P (TREE_TYPE (type)))
     {
-      warning (0, "deleting %qT is undefined", type);
+      warning (OPT_Wdelete_incomplete, "deleting %qT is undefined", type);
       doing_vec = 0;
     }
 

gcc/testsuite/ChangeLog

+2014-10-23  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR c++/63619
+	* g++.dg/warn/Wdelete-incomplete-3.C: New.
+	* g++.dg/warn/Wdelete-incomplete-4.C: New.
+
 2014-10-23  Evgeny Stupachenko  <evstupac@gmail.com>
 
 	PR target/63618

gcc/testsuite/g++.dg/warn/Wdelete-incomplete-3.C

+// PR c++/63619
+
+int main() {
+   void* p;
+   delete p;    // { dg-warning "undefined" }
+}

gcc/testsuite/g++.dg/warn/Wdelete-incomplete-4.C

+// PR c++/63619
+// { dg-options -Wno-delete-incomplete }
+
+int main() {
+   void* p;
+   delete p;
+}