re PR c++/60331 (ICE with OpenMP #pragma omp declare reduction in template class)

	PR c++/60331
	* semantics.c (potential_constant_expression_1): Handle
	DECL_EXPR.

	* testsuite/libgomp.c++/udr-11.C: New test.
	* testsuite/libgomp.c++/udr-12.C: New test.
	* testsuite/libgomp.c++/udr-13.C: New test.
	* testsuite/libgomp.c++/udr-14.C: New test.
	* testsuite/libgomp.c++/udr-15.C: New test.
	* testsuite/libgomp.c++/udr-16.C: New test.
	* testsuite/libgomp.c++/udr-17.C: New test.
	* testsuite/libgomp.c++/udr-18.C: New test.
	* testsuite/libgomp.c++/udr-19.C: New test.

From-SVN: r208806

gcc/cp/ChangeLog

+2014-03-25  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/60331
+	* semantics.c (potential_constant_expression_1): Handle
+	DECL_EXPR.
+
 2014-03-24  Adam Butcher  <adam@jessamine.co.uk>
 
 	PR c++/60627

gcc/cp/semantics.c

@@ -10253,6 +10253,7 @@ potential_constant_expression_1 (tree t, bool want_rval, tsubst_flags_t flags)
     case DO_STMT:
     case FOR_STMT:
     case WHILE_STMT:
+    case DECL_EXPR:
       if (flags & tf_error)
         error ("expression %qE is not a constant-expression", t);
       return false;

libgomp/ChangeLog

+2014-03-25  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/60331
+	* testsuite/libgomp.c++/udr-11.C: New test.
+	* testsuite/libgomp.c++/udr-12.C: New test.
+	* testsuite/libgomp.c++/udr-13.C: New test.
+	* testsuite/libgomp.c++/udr-14.C: New test.
+	* testsuite/libgomp.c++/udr-15.C: New test.
+	* testsuite/libgomp.c++/udr-16.C: New test.
+	* testsuite/libgomp.c++/udr-17.C: New test.
+	* testsuite/libgomp.c++/udr-18.C: New test.
+	* testsuite/libgomp.c++/udr-19.C: New test.
+
 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	Update copyright years

libgomp/testsuite/libgomp.c++/udr-11.C

+// { dg-do run }
+// { dg-options "-fopenmp -std=c++11" }
+
+#include "udr-1.C"

libgomp/testsuite/libgomp.c++/udr-12.C

+// { dg-do run }
+// { dg-options "-fopenmp -std=c++11" }
+
+#include "udr-2.C"

libgomp/testsuite/libgomp.c++/udr-13.C

+// { dg-do run }
+// { dg-options "-fopenmp -std=c++11" }
+
+#include "udr-3.C"

libgomp/testsuite/libgomp.c++/udr-14.C

+// { dg-do run }
+// { dg-options "-fopenmp -std=c++11" }
+
+#include "udr-4.C"

libgomp/testsuite/libgomp.c++/udr-15.C

+// { dg-do run }
+// { dg-options "-fopenmp -std=c++11" }
+
+#include "udr-5.C"

libgomp/testsuite/libgomp.c++/udr-16.C

+// { dg-do run }
+// { dg-options "-fopenmp -std=c++11" }
+
+#include "udr-6.C"

libgomp/testsuite/libgomp.c++/udr-17.C

+// { dg-do run }
+// { dg-options "-fopenmp -std=c++11" }
+
+#include "udr-7.C"

libgomp/testsuite/libgomp.c++/udr-18.C

+// { dg-do run }
+// { dg-options "-fopenmp -std=c++11" }
+
+#include "udr-8.C"

libgomp/testsuite/libgomp.c++/udr-19.C

+// { dg-do run }
+// { dg-options "-fopenmp -std=c++11" }
+
+#include "udr-9.C"