I've had this patch in my i386-*-freebsd and x86_64-*-freebsd
for more than a week. Several 'gmake check-gfortran' have
been run during that time without a regression.
OK for trunk?
2011-10-30 Steven G. Kargl <ka...@gcc.gnu.org>
PR fortran/50404
* io.c (gfc_resolve_close): A CLOSE statement requires a unit number.
2011-10-30 Steven G. Kargl <ka...@gcc.gnu.org>
PR fortran/50404
* gfortran.dg/no_unit_error_2.f90: New test.
--
Steve
Index: fortran/io.c
===================================================================
--- fortran/io.c (revision 180687)
+++ fortran/io.c (working copy)
@@ -2295,6 +2295,12 @@ gfc_resolve_close (gfc_close *close)
if (gfc_reference_st_label (close->err, ST_LABEL_TARGET) == FAILURE)
return FAILURE;
+ if (close->unit == NULL)
+ {
+ gfc_error ("CLOSE statement at %C requires a UNIT number");
+ return FAILURE;
+ }
+
if (close->unit->expr_type == EXPR_CONSTANT
&& close->unit->ts.type == BT_INTEGER
&& mpz_sgn (close->unit->value.integer) < 0)
Index: testsuite/gfortran.dg/no_unit_error_2.f90
===================================================================
--- testsuite/gfortran.dg/no_unit_error_2.f90 (revision 0)
+++ testsuite/gfortran.dg/no_unit_error_2.f90 (revision 0)
@@ -0,0 +1,4 @@
+! { dg-do compile }
+! PR fortran/50404
+close(iostat=i) ! { dg-error "requires a UNIT number" }
+end
