[Bug c++/53039] [4.7/4.8 Regression] including breaks std::is_convertible with template-pack expansion

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53039

--- Comment #15 from Jason Merrill <jason at gcc dot gnu.org> 2012-07-05 
19:39:07 UTC ---
Author: jason
Date: Thu Jul  5 19:39:01 2012
New Revision: 189298

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189298
Log:
    PR c++/50852
    PR c++/53039
    * tree.c (strip_typedefs_expr): New.
    * cp-tree.h: Declare it.
    * pt.c (convert_template_argument, unify): Use it.
    * parser.c (cp_parser_template_declaration_after_export): Don't call
    fixup_template_parms.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/variadic133.C
    trunk/gcc/testsuite/g++.dg/template/typedef39.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/parser.c
    trunk/gcc/cp/pt.c
    trunk/gcc/cp/tree.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/template/param1.C