PR fortran/28129

	* trans-array.c (gfc_trans_array_bound_check): Add a locus
	argument, and use it in the error messages.
	(gfc_conv_array_index_offset): Donc perform bounds checking on
	the last dimension of assumed-size arrays.

	* gfortran.dg/bounds_check_4.f90: New test.

From-SVN: r115231