[Ada] Housekeeping work in gigi (5/n)

[Eric Botcazou]

Tested on i586-suse-linux, applied on the mainline.


2009-04-22  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity): Compute is_type predicate
	on entry.  Defer common processing for types.  Reorder and clean up.
	Compute the equivalent GNAT node and the default size for types only.
	<E_Modular_Integer_Type>: Directly use Esize for the type's precision.
	<E_Access_Type>: For an unconstrained designated type, do not pretend
	that a dummy type is always made.
	<all> Fix nits in comments.
	(validate_size): Fix formatting nits and comments.
	(set_rm_size): Likewise.
	* gcc-interface/utils.c (create_param_decl): Replace bogus argument
	passed to TARGET_PROMOTE_PROTOTYPES hook.


-- 
Eric Botcazou
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