re PR middle-end/26412 (ICE with external arrays using OpenMP)

	PR middle-end/26412
	* gimplify.c (omp_add_variable): Guard variable size decl test with
	DECL_SIZE (decl) check.

	* gcc.dg/gomp/pr26412.c: New test.

From-SVN: r111391

gcc/ChangeLog

+2006-02-23  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/26412
+	* gimplify.c (omp_add_variable): Guard variable size decl test with
+	DECL_SIZE (decl) check.
+
 2006-02-23  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/26439

gcc/gimplify.c

@@ -4267,7 +4267,7 @@ omp_add_variable (struct gimplify_omp_ctx *ctx, tree decl, unsigned int flags)
   /* When adding a variable-sized variable, we have to handle all sorts
      of additional bits of data: the pointer replacement variable, and 
      the parameters of the type.  */
-  if (!TREE_CONSTANT (DECL_SIZE (decl)))
+  if (DECL_SIZE (decl) && !TREE_CONSTANT (DECL_SIZE (decl)))
     {
       /* Add the pointer replacement variable as PRIVATE if the variable
 	 replacement is private, else FIRSTPRIVATE since we'll need the

gcc/testsuite/ChangeLog

+2006-02-23  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/26412
+	* gcc.dg/gomp/pr26412.c: New test.
+
 2006-02-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
 	PR c++/26291

gcc/testsuite/gcc.dg/gomp/pr26412.c

+/* PR middle-end/26412 */
+/* { dg-do compile } */
+
+extern double a[];
+extern int b;
+
+double
+test (void)
+{
+  int i;
+  double c = 0;
+
+#pragma omp parallel for private(i) reduction(+:c)
+  for (i = 0; i < 10000; i++)
+    c += a[b];
+
+  return c;
+}