Constrain conservative string lengths to array sizes [PR104119].

Constrain conservative string lengths to array sizes [PR104119].

Resolves:
PR tree-optimization/104119 - unexpected -Wformat-overflow after strlen in ILP32 since Ranger integration

gcc/ChangeLog:

	PR tree-optimization/104119
	* gimple-ssa-sprintf.cc (struct directive): Change argument type.
	(format_none): Same.
	(format_percent): Same.
	(format_integer): Same.
	(format_floating): Same.
	(get_string_length): Same.
	(format_character): Same.
	(format_string): Same.
	(format_plain): Same.
	(format_directive): Same.
	(compute_format_length): Same.
	(handle_printf_call): Same.
	* tree-ssa-strlen.cc (get_range_strlen_dynamic): Same.   Call
	get_maxbound.
	(get_range_strlen_phi): Same.
	(get_maxbound): New function.
	(strlen_pass::get_len_or_size): Adjust to parameter change.
	* tree-ssa-strlen.h (get_range_strlen_dynamic): Change argument type.

gcc/testsuite/ChangeLog:

	PR tree-optimization/104119
	* gcc.dg/tree-ssa/builtin-snprintf-13.c: New test.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-29.c: New test.