c++/4933: [2003-01-13]tree_list not supported by dump_expr

[Giovanni Bajo]

The following reply was made to PR c++/4933; it has been noted by GNATS.

From: "Giovanni Bajo" <giovannibajo@libero.it>
To: <gcc-gnats@gcc.gnu.org>,
	<gcc-bugs@gcc.gnu.org>,
	<nobody@gcc.gnu.org>,
	<gcc-prs@gcc.gnu.org>,
	<anthwil@nortelnetworks.com>
Cc:  
Subject: Re: c++/4933: [2003-01-13]tree_list not supported by dump_expr
Date: Fri, 4 Apr 2003 19:47:34 +0200

 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&p
 r=4933
 
 Redux:
 --------------------------------------------
 template<unsigned F>
 struct Foo;
 
 template<typename T>
 T makeT();
 
 template<typename T,typename U>
 struct Bar
 {
     typedef Foo
     <
         sizeof((makeT<T>(), makeT<U>()))
     > Type;
 };
 ----------------------------------------------
 pr4933.cpp:14: sorry, unimplemented: `tree_list' not supported by dump_expr
 pr4933.cpp:14: sorry, unimplemented: `tree_list' not supported by dump_expr
 
 
 It's now easy to see that GCC simply doesn't like the comma operator in that
 context.
 
 Confirmed with 2.95, 3.2 and 3.3 20030401.
 
 Giovanni Bajo