PR 52428 Range checking when reading integer values.

PR 52428 Range checking when reading integer values.

gcc/fortran ChangeLog:

2012-05-14  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/52428
	* gfortran.texi: Update _gfortran_set_options documentation.
	* invoke.texi: Remove runtime behavior description of
	-fno-range-check.
	* trans-decl.c (create_main_function): Don't pass the range-check
	setting to the library.

libgfortran ChangeLog:

2012-05-14  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/52428
	* io/io.h (max_value): Rename to si_max, remove second argument.
	* io/list_read.c (convert_integer): Use unsigned types when
	parsing the digits, set max value depending on the sign.
	* io/read.c (max_value): Rename to si_max, remove second argument,
	simplify.
	(read_decimal): Set max value depending on sign, always check
	overflow.
	(read_radix): Calculate max unsigned value directly.
	* libgfortran.h (struct compile_options_t): Remove range_check
	field.
	* runtime/compile_options.c (set_options): Skip handling
	options[7].
	(init_compile_options): Don't set removed field.

gcc/testsuite ChangeLog:

2012-05-14  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/52428
	* gfortran.dg/int_range_io_1.f90: New test.

From-SVN: r187478