trans-array.c (trans_array_bound_check): Use xasprintf instead of unchecked asprintf.

	* trans-array.c (trans_array_bound_check): Use xasprintf instead
	of unchecked asprintf.
	(gfc_conv_array_ref): Ditto.
	(gfc_conv_ss_startstride): Ditto.
	(gfc_trans_dummy_array_bias): Ditto.
	(gfc_conv_array_parameter): Ditto.
	* trans-decl.c (gfc_generate_function_code): Ditto.
	* trans-expr.c (gfc_conv_substring): Ditto.
	(gfc_conv_procedure_call): Ditto.
	* trans-io.c (gfc_trans_io_runtime_check): Ditto.
	(set_string): Ditto.
	* trans.c (trans-runtime_error_vararg): Ditto.

From-SVN: r219126