include:
	* ansidecl.h (ATTRIBUTE_NONNULL, ATTRIBUTE_NULL_PRINTF,
	ATTRIBUTE_NULL_PRINTF_1, ATTRIBUTE_NULL_PRINTF_2,
	ATTRIBUTE_NULL_PRINTF_3, ATTRIBUTE_NULL_PRINTF_4,
	ATTRIBUTE_NULL_PRINTF_5): New.
	(ATTRIBUTE_PRINTF): Add ATTRIBUTE_NONNULL.

gcc:
	* dwarf2asm.h: Delete obsolete comment.
	(dw2_asm_output_data, dw2_asm_output_delta, dw2_asm_output_offset,
	dw2_asm_output_pcrel, dw2_asm_output_addr,
	dw2_asm_output_addr_rtx, dw2_asm_output_encoded_addr_rtx,
	dw2_asm_output_nstring, dw2_asm_output_data_uleb128,
	dw2_asm_output_data_sleb128, dw2_asm_output_delta_uleb128,
	dw2_asm_output_delta_sleb128): Add ATTRIBUTE_NULL_PRINTF.

From-SVN: r64505