2019-01-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
	Harald Anlauf <anlauf@gmx.de>
	Tobias Burnus <burnus@gcc.gnu.org>

	PR fortran/45424
	* check.c (gfc_check_is_contiguous): New function.
	* expr.c (gfc_is_not_contiguous): New function.
	* gfortran.h (gfc_isym_id): Add GFC_ISYM_IS_CONTIGUOUS.
	Add prototype for gfc_is_not_contiguous.
	* intrinsic.c (do_ts29113_check): Add GFC_ISYM_IS_CONTIGUOUS.
	(add_function): Add is_contiguous.
	* intrinsic.h: Add prototypes for gfc_check_is_contiguous,
	gfc_simplify_is_contiguous and gfc_resolve_is_contiguous.
	* intrinsic.texi: Add IS_CONTIGUOUS.
	* iresolve.c (gfc_resolve_is_contiguous): New function.
	* simplify.c (gfc_simplify_is_contiguous): New function.
	* trans-decl.c (gfor_fncecl_is_contiguous0): New variable.
	(gfc_build_intrinsic_function_decl): Add it.
	* trans-intrinsic.c (gfc_conv_intrinsic_is_contiguous): New
	function.
	(gfc_conv_intrinsic_function): Handle GFC_ISYM_IS_CONTIGUOUS.

2019-01-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
	Harald Anlauf <anlauf@gmx.de>
	Tobias Burnus <burnus@gcc.gnu.org>

	PR fortran/45424
	* Makefile.am: Add intrinsics/is_contiguous.c.
	* Makefile.in: Regenerated.
	* gfortran.map: Add _gfortran_is_contiguous0.
	* intrinsics/is_contiguous.c: New file.
	* libgfortran.h: Add prototype for is_contiguous0.

2019-01-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
	Harald Anlauf <anlauf@gmx.de>
	Tobias Burnus <burnus@gcc.gnu.org>

	* gfortran.dg/is_contiguous_1.f90: New test.
	* gfortran.dg/is_contiguous_2.f90: New test.
	* gfortran.dg/is_contiguous_3.f90: New test.


Co-Authored-By: Harald Anlauf <anlauf@gmx.de>
Co-Authored-By: Tobias Burnus <burnus@gcc.gnu.org>

From-SVN: r267657