PR fortran/14923

	* intrinsics/date_and_time.c: New file.
	* Makefile.am (gfor_helper_src): Add intrinsics/date_and_time.c.
	* Makefile.in, aclocal.m4: Regenerate.
	* libgfortran.h: Prototype date_and_time().
testsuite/
	* gfortran.fortran-torture/execute/date_time_1.f90: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83032 138bc75d-0d04-0410-961f-82ee72b054a4