re PR fortran/91785 (ICE in check_assumed_size_reference, at fortran/resolve.c:1601)

2019-10-02  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/91785
	* primary.c (gfc_match_varspec): Ensure an inquiry parameter has
	it locus set.

2019-10-02  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/91785
	* gfortran.dg/pr91785.f90: New test.

From-SVN: r276473

gcc/fortran/ChangeLog

 2019-10-02  Steven G. Kargl  <kargl@gcc.gnu.org>
 
+	PR fortran/91785
+	* primary.c (gfc_match_varspec): Ensure an inquiry parameter has
+	it locus set.
+
+2019-10-02  Steven G. Kargl  <kargl@gcc.gnu.org>
+
 	PR fortran/91942
 	* io.c (match_vtag): Check for non-NULL result->symtree.
 	(match_out_tag): Check for invalid constant due to inquiry parameter.

gcc/fortran/primary.c

@@ -2331,6 +2331,8 @@ gfc_match_varspec (gfc_expr *primary, int equiv_flag, bool sub_flag,
 
       if (tmp && tmp->type == REF_INQUIRY)
 	{
+	  if (!primary->where.lb || !primary->where.nextc)
+	    primary->where = gfc_current_locus;
 	  gfc_simplify_expr (primary, 0);
 
 	  if (primary->expr_type == EXPR_CONSTANT)

gcc/testsuite/ChangeLog

 2019-10-02  Steven G. Kargl  <kargl@gcc.gnu.org>
 
+	PR fortran/91785
+	* gfortran.dg/pr91785.f90: New test.
+
+2019-10-02  Steven G. Kargl  <kargl@gcc.gnu.org>
+
 	PR fortran/91942
 	* gfortran.dg/pr91587.f90: Update dg-error regex.
 	* gfortran.dg/pr91942.f90: New test.

gcc/testsuite/gfortran.dg/pr91785.f90

+! { dg-do compile }
+! PR fortran/91785
+! Code contributed by Gerhard Steinmetz
+program p
+   complex :: a(*)   ! { dg-error "Assumed size array at" }
+   real :: b(2)
+   b = a%im          ! { dg-error "upper bound in the last dimension" }
+end