builtins.c (fold_trunc_transparent_mathfn, [...]): Use TYPE (TYPE (fndecl)) instead...

builtins.c (fold_trunc_transparent_mathfn, [...]): Use TYPE (TYPE (fndecl)) instead of TREE_TYPE (exp).

	* builtins.c (fold_trunc_transparent_mathfn,
	fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
	fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
	fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
	fold_builtin_strcpy, fold_builtin_strncpy,
	fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
	TREE_TYPE (exp).

From-SVN: r96371