c++/9167: [3.3/3.4 regression] ICE in simplify_gen_subreg with optimization

[Janis Johnson]

The regression showed up with this patch:

2002-12-04  Jason Merrill  <jason@redhat.com>

        PR c++/8461, c++/8625
        * integrate.c (copy_decl_for_inlining): Handle explicit
invisible
        references.
        * tree-inline.c (initialize_inlined_parameters): Likewise.

        * tree.c (variably_modified_type_p): Just return an
error_mark_node.

cp/:
        PR c++/8674
        * call.c (build_over_call): Check specifically for TARGET_EXPR
        when eliding.

        PR c++/8461, c++/8625
        * call.c (convert_for_arg_passing): Don't mess with
error_mark_node.
        (cp_convert_parm_for_inlining): Remove.
        * cp-lang.c
(LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
        Remove.
        * cp-tree.h (ADDR_IS_INVISIREF): Remove.
        * except.c (stabilize_throw_expr): Remove ADDR_IS_INVISIREF
code.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=9167