function.c (expand_function_start): Avoid creating BLKmode pseudos.

function.c (expand_function_start): Avoid creating BLKmode pseudos.

	* function.c (expand_function_start): Avoid creating BLKmode
	pseudos.

	* dwarf2out.c (output_comp_unit): Always output a compilation-unit
	DIE, even if it has no children.
	(dwarf2out_finish): Always output the line-number table, even if
	it has no content.

From-SVN: r42254