re PR middle-end/27416 (ICE on invalid firstprivate/lastprivate)

	PR middle-end/27416
	* omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
	construct, return *VAR.

	* libgomp.fortran/pr27416-1.f90: New test.

From-SVN: r113788

gcc/ChangeLog

+2006-05-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/27416
+	* omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
+	construct, return *VAR.
+
 2006-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
 
 	PR rtl-optimization/27406

gcc/omp-low.c

@@ -577,6 +577,10 @@ build_outer_var_ref (tree var, omp_context *ctx)
     }
   else if (ctx->outer)
     x = lookup_decl (var, ctx->outer);
+  else if (is_reference (var))
+    /* This can happen with orphaned constructs.  If var is reference, it is
+       possible it is shared and as such valid.  */
+    x = var;
   else
     gcc_unreachable ();
 

libgomp/ChangeLog

+2006-05-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/27416
+	* libgomp.fortran/pr27416-1.f90: New test.
+
 2006-05-03  Jakub Jelinek  <jakub@redhat.com>
 
 	PR fortran/27395

libgomp/testsuite/libgomp.fortran/pr27416-1.f90

+! PR middle-end/27416
+! { dg-do run }
+
+  integer :: j
+  j = 6
+!$omp parallel num_threads (4)
+  call foo (j)
+!$omp end parallel
+  if (j.ne.6+16) call abort
+end
+
+subroutine foo (j)
+  integer :: i, j
+
+!$omp do firstprivate (j) lastprivate (j)
+  do i = 1, 16
+    if (i.eq.16) j = j + i
+  end do
+end subroutine foo