PR c++/2204
* config-lang.in (gtfiles): Add typeck2.c.
* Make-lang.in: Tweak typeck2.c dependencies, and add rule for
gt-cp-typeck2.h.
* cp-tree.h: Declare complete_type_check_abstract.
* typeck2.c (pat_calc_hash, pat_compare,
complete_type_check_abstract): New functions.
(abstract_virtuals_error): If the type is abstract, register the
declaration within abstract_pending_vars for further checks.
Inspect also dependent types. Handle IDENTIFIER_NODEs as decl.
* decl.c (cp_finish_decl): Do not strip array types.
(create_array_type_for_decl): Check for abstractness of the element
type.
(complete_vars): Call complete_type_check_abstract.
* class.c (finish_struct): Prepare a list of virtual functions for
template types, and call complete_vars on it to check for abstractness.
PR c++/2204
* g++.dg/other/abstract2.C: New test.
From-SVN: r84552
