re PR c++/38577 (ICE: tree check: expected call_expr, have compound_expr in…

re PR c++/38577 (ICE: tree check: expected call_expr, have compound_expr in build_new_method_call, at cp/call.c:6000)

	PR c++/38577
	* call.c (build_new_method_call): Handle call being COMPOUND_EXPR
	or NOP_EXPR.

	* g++.dg/template/call6.C: New test.

From-SVN: r142842

gcc/cp/ChangeLog

+2008-12-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/38577
+	* call.c (build_new_method_call): Handle call being COMPOUND_EXPR
+	or NOP_EXPR.
+
 2008-12-18  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/38427

gcc/cp/call.c

@@ -5993,6 +5993,15 @@ build_new_method_call (tree instance, tree fns, tree args,
 
   if (processing_template_decl && call != error_mark_node)
     {
+      bool cast_to_void = false;
+
+      if (TREE_CODE (call) == COMPOUND_EXPR)
+	call = TREE_OPERAND (call, 1);
+      else if (TREE_CODE (call) == NOP_EXPR)
+	{
+	  cast_to_void = true;
+	  call = TREE_OPERAND (call, 0);
+	}
       if (TREE_CODE (call) == INDIRECT_REF)
 	call = TREE_OPERAND (call, 0);
       call = (build_min_non_dep_call_list
@@ -6001,6 +6010,8 @@ build_new_method_call (tree instance, tree fns, tree args,
 			  orig_instance, orig_fns, NULL_TREE),
 	       orig_args));
       call = convert_from_reference (call);
+      if (cast_to_void)
+	call = build_nop (void_type_node, call);
     }
 
  /* Free all the conversions we allocated.  */

gcc/testsuite/ChangeLog

+2008-12-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/38577
+	* g++.dg/template/call6.C: New test.
+
 2008-12-19  Janis Johnson  <janis187@us.ibm.com>
 
 	Revert:

gcc/testsuite/g++.dg/template/call6.C

+// PR c++/38577
+// { dg-do compile }
+
+struct A
+{
+  static A *bar ();
+};
+
+struct B : public A
+{
+  static void baz ();
+};
+
+template <class T>
+void foo ()
+{
+  (static_cast<B *> (A::bar ()))->baz ();
+}
+
+void
+bar ()
+{
+  foo<int> ();
+}