Fortran: ICE in resolve_allocate_deallocate for invalid STAT argument

Fortran: ICE in resolve_allocate_deallocate for invalid STAT argument

gcc/fortran/ChangeLog:

	PR fortran/101564
	* expr.c (gfc_check_vardef_context): Add check for KIND and LEN
	parameter inquiries.
	* match.c (gfc_match): Fix comment for %v code.
	(gfc_match_allocate, gfc_match_deallocate): Replace use of %v code
	by %e in gfc_match to allow for function references as STAT and
	ERRMSG arguments.
	* resolve.c (resolve_allocate_deallocate): Avoid NULL pointer
	dereferences and shortcut for bad STAT and ERRMSG argument to
	(DE)ALLOCATE.  Remove bogus parts of checks for STAT and ERRMSG.

gcc/testsuite/ChangeLog:

	PR fortran/101564
	* gfortran.dg/allocate_stat_3.f90: New test.
	* gfortran.dg/allocate_stat.f90: Adjust error messages.
	* gfortran.dg/implicit_11.f90: Likewise.
	* gfortran.dg/inquiry_type_ref_3.f90: Likewise.