* cp-tree.h (PARM_DECL_EXPR): Delete.
(convert_default_arg): Change prototype.
(check_default_argument): Declare.
(search_tree): Likewise.
* call.c (convert_default_arg): Take the function to which the
default argument belongs as a parameter, and do any necessary
instantiation here, instead of ...
(build_over_call): Here.
* decl.c (local_variable_p): New function.
(check_default_argument): Likewise, split out and tidied from ...
(grokparms): Here.
* error.c (dump_expr): Don't set PARM_DECL_EXPR.
* pt.c (tsubst_call_declarator_parms): New function.
(for_each_template_parm): Handle ARRAY_REFs. Do the obvious thing
with CALL_EXPRs, rather than trying to be clever.
(tsubst): Use tsubst_call_declarator_parms.
* tree.c (search_tree): Don't make it static.
* typeck.c (convert_arguments): Use new interface to
convert_default_arg.
From-SVN: r24803
