re PR fortran/86111 (ICE in gfc_arith_concat, at fortran/arith.c:985)

re PR fortran/86111 (ICE in gfc_arith_concat, at fortran/arith.c:985)

2018-10-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/86111
	* gfortran.h (enum arith): Add ARITH_WRONGCONCAT.
	* arith.h (gfc_arith_error): Issue error for ARITH_WRONGCONCAT.
	(gfc_arith_concat):  If the types of op1 and op2 are not
	character of if their kinds do not match, issue ARITH_WRONGCONCAT.

2018-10-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/86111
	* gfortran.dg/array_constructor_type_23.f90: New test.

From-SVN: r264900