PR c/5656
	* langhooks.h (struct lang_hooks_for_tree_inlining): Add
	convert_parm_for_inlining.
	* c-lang.c (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
	Define.
	* langhooks-def.h: Likewise.
	* objc/objc-lang.c: Likewise.
	* langhooks.c (lhd_tree_inlining_convert_parm_for_inlining): New
	function.
	* tree-inline.c (initialize_inlined_parameters):
	Call convert_parm_for_inlining lang hook if needed.
	* c-typeck.c (c_convert_parm_for_inlining): New function.
	* c-tree.h (c_convert_parm_for_inlining): Add prototype.

	* gcc.c-torture/compile/20020318-1.c: New test.

From-SVN: r51025