Default compute dimensions (compile time)

Default compute dimensions (compile time)

Typo fix relative to last posted version.

2018-10-05  Nathan Sidwell  <nathan@acm.org>
	    Tom de Vries  <tdevries@suse.de>
	    Thomas Schwinge  <thomas@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>

	gcc/
	* doc/invoke.texi (fopenacc-dim): Update.
	* omp-offload.cc (oacc_parse_default_dims): Update.

	gcc/testsuite/
	* c-c++-common/goacc/acc-icf.c: Update.
	* c-c++-common/goacc/parallel-dims-1.c: Likewise.
	* gfortran.dg/goacc/routine-4.f90: Likewise.
	* gfortran.dg/goacc/routine-multiple-directives-1.f90: Likewise.

	libgomp/
	* testsuite/libgomp.oacc-c-c++-common/loop-default-compile.c: New.
	* testsuite/libgomp.oacc-c-c++-common/loop-warn-1.c: New.
	* testsuite/libgomp.oacc-c-c++-common/parallel-dims.c: Update.