re PR fortran/88304 (ICE in use_pointer_in_frame, at tree-nested.c:267)

	PR fortran/88304
	* tree-nested.c (convert_local_reference_stmt): Handle clobbers where
	lhs is not a decl normally, don't call use_pointer_in_frame on that
	lhs.

	* gfortran.fortran-torture/compile/pr88304-2.f90: New test.

From-SVN: r266907

gcc/ChangeLog

+2018-12-08  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/88304
+	* tree-nested.c (convert_local_reference_stmt): Handle clobbers where
+	lhs is not a decl normally, don't call use_pointer_in_frame on that
+	lhs.
+
 2018-12-08  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR rtl-optimization/88390

gcc/testsuite/ChangeLog

+2018-12-08  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/88304
+	* gfortran.fortran-torture/compile/pr88304-2.f90: New test.
+
 2018-12-07  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* g++.dg/other/bitfield7.C: New.

gcc/testsuite/gfortran.fortran-torture/compile/pr88304-2.f90

+! PR fortran/88304
+
+module pr88304
+  implicit none
+  integer :: p
+contains
+  function foo (x, y, z, w)
+    integer, intent(in) :: x, y
+    character(*), optional, intent(out) :: z
+    integer, optional, intent(out) :: w
+    integer :: foo
+    foo = 1
+  end function foo
+  subroutine bar ()
+    integer :: s
+    s = baz (1)
+  contains
+    function baz (u)
+      integer, intent(in) :: u
+      integer :: baz
+      integer :: q
+      integer :: r (10)
+      r = 0
+      baz = 1
+      q = foo (p, r(u), w = baz)
+    end function baz
+  end subroutine bar
+end module pr88304

gcc/tree-nested.c

@@ -2324,7 +2324,8 @@ convert_local_reference_stmt (gimple_stmt_iterator *gsi, bool *handled_ops_p,
       if (gimple_clobber_p (stmt))
 	{
 	  tree lhs = gimple_assign_lhs (stmt);
-	  if (!use_pointer_in_frame (lhs)
+	  if (DECL_P (lhs)
+	      && !use_pointer_in_frame (lhs)
 	      && lookup_field_for_decl (info, lhs, NO_INSERT))
 	    {
 	      gsi_replace (gsi, gimple_build_nop (), true);