ptree.c (print_lang_type): Print the real type of a PMF.

	* ptree.c (print_lang_type): Print the real type of a PMF.
	Print what exceptions a fn type throws.

	* typeck.c (common_type): Use same_type_p.

And revert:
	* decl.c (bad_specifiers): It's OK to have an EH spec on a function
	pointer.

From-SVN: r28609