re PR libgomp/69414 ([OpenACC] "!$acc update self" does not provide expected result)

	PR libgomp/69414
	* oacc-mem.c (delete_copyout, update_dev_host): Fix device address.
	* testsuite/libgomp.oacc-c-c++-common/update-1.c: Additional tests.
	* testsuite/libgomp.oacc-c-c++-common/update-1-2.c: Likewise.
	* testsuite/libgomp.oacc-fortran/update-1.f90: New file.

Co-Authored-By: Daichi Fukuoka <dc-fukuoka@sgi.com>

From-SVN: r234428