Fortran: Andre's coarray patch series, ver 4

Fortran: Andre's coarray patch series, ver 4

gcc/fortran/ChangeLog:

	* check.cc (gfc_check_image_status): mod
	(gfc_check_failed_or_stopped_images): mod
	* invoke.texi: mod
	* trans-expr.cc (get_scalar_to_descriptor_type): mod
	(copy_coarray_desc_part): mod
	(gfc_class_array_data_assign): mod
	(gfc_conv_derived_to_class): mod
	* trans-intrinsic.cc (conv_intrinsic_image_status): mod
	* trans-stmt.cc (gfc_trans_sync): mod

libgfortran/ChangeLog:

	* Makefile.am: mod
	* Makefile.in: mod
	* acinclude.m4: mod
	* caf/libcaf.h (LIBCAF_H): mod
	(_gfortran_caf_failed_images): mod
	(_gfortran_caf_image_status): mod
	(_gfortran_caf_stopped_images): mod
	* caf/single.c (caf_internal_error): mod
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: mod
	* caf/caf_error.c: New file.
	* caf/caf_error.h: New file.
	* caf/shmem.c: New file.
	* caf/shmem/alloc.c: New file.
	* caf/shmem/alloc.h: New file.
	* caf/shmem/allocator.c: New file.
	* caf/shmem/allocator.h: New file.
	* caf/shmem/collective_subroutine.c: New file.
	* caf/shmem/collective_subroutine.h: New file.
	* caf/shmem/counter_barrier.c: New file.
	* caf/shmem/counter_barrier.h: New file.
	* caf/shmem/hashmap.c: New file.
	* caf/shmem/hashmap.h: New file.
	* caf/shmem/shared_memory.c: New file.
	* caf/shmem/shared_memory.h: New file.
	* caf/shmem/supervisor.c: New file.
	* caf/shmem/supervisor.h: New file.
	* caf/shmem/sync.c: New file.
	* caf/shmem/sync.h: New file.
	* caf/shmem/teams_mgmt.c: New file.
	* caf/shmem/teams_mgmt.h: New file.
	* caf/shmem/thread_support.c: New file.
	* caf/shmem/thread_support.h: New file.

gcc/testsuite/ChangeLog:

	* gfortran.dg/coarray/alloc_comp_4.f90: mod
	* gfortran.dg/coarray/atomic_2.f90: mod
	* gfortran.dg/coarray/caf.exp: mod
	* gfortran.dg/coarray/coarray_allocated.f90: mod
	* gfortran.dg/coarray/coindexed_1.f90: mod
	* gfortran.dg/coarray/coindexed_3.f08: mod
	* gfortran.dg/coarray/coindexed_5.f90: mod
	* gfortran.dg/coarray/dummy_3.f90: mod
	* gfortran.dg/coarray/event_1.f90: mod
	* gfortran.dg/coarray/event_3.f08: mod
	* gfortran.dg/coarray/event_4.f08: mod
	* gfortran.dg/coarray/failed_images_1.f08: mod
	* gfortran.dg/coarray/failed_images_2.f08: mod
	* gfortran.dg/coarray/image_status_1.f08: mod
	* gfortran.dg/coarray/image_status_2.f08: mod
	* gfortran.dg/coarray/lock_2.f90: mod
	* gfortran.dg/coarray/poly_run_3.f90: mod
	* gfortran.dg/coarray/scalar_alloc_1.f90: mod
	* gfortran.dg/coarray/stopped_images_1.f08: mod
	* gfortran.dg/coarray/stopped_images_2.f08: mod
	* gfortran.dg/coarray/sync_1.f90: mod
	* gfortran.dg/coarray/sync_3.f90: mod
	* gfortran.dg/coarray_sync_memory.f90: mod
	* gfortran.dg/coarray/co_reduce_string.f90: New test.
	* gfortran.dg/coarray/sync_team.f90: New test.