OpenMP target nesting tests.

	gcc/testsuite/
	* c-c++-common/gomp/nesting-1.c: New file.
	* c-c++-common/gomp/nesting-warn-1.c: Likewise.

From-SVN: r218687

gcc/testsuite/ChangeLog

+2014-12-12  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* c-c++-common/gomp/nesting-1.c: New file.
+	* c-c++-common/gomp/nesting-warn-1.c: Likewise.
+
 2014-12-12  Kai Tietz  <ktietz@redhat.com>
 
 	PR c++/63996

gcc/testsuite/c-c++-common/gomp/nesting-1.c

+extern int i;
+
+void
+f_omp_parallel (void)
+{
+#pragma omp parallel
+  {
+#pragma omp parallel
+    ;
+
+#pragma omp target
+    ;
+
+#pragma omp target data
+    ;
+
+#pragma omp target update to(i)
+
+#pragma omp target data
+    {
+#pragma omp parallel
+      ;
+
+#pragma omp target
+      ;
+
+#pragma omp target data
+      ;
+
+#pragma omp target update to(i)
+    }
+  }
+}
+
+void
+f_omp_target (void)
+{
+#pragma omp target
+  {
+#pragma omp parallel
+    ;
+  }
+}
+
+void
+f_omp_target_data (void)
+{
+#pragma omp target data
+  {
+#pragma omp parallel
+    ;
+
+#pragma omp target
+    ;
+
+#pragma omp target data
+    ;
+
+#pragma omp target update to(i)
+
+#pragma omp target data
+    {
+#pragma omp parallel
+      ;
+
+#pragma omp target
+      ;
+
+#pragma omp target data
+      ;
+
+#pragma omp target update to(i)
+    }
+  }
+}

gcc/testsuite/c-c++-common/gomp/nesting-warn-1.c

+extern int i;
+
+void
+f_omp_target (void)
+{
+#pragma omp target
+  {
+#pragma omp target /* { dg-warning "target construct inside of target region" } */
+    ;
+#pragma omp target data /* { dg-warning "target data construct inside of target region" } */
+    ;
+#pragma omp target update to(i) /* { dg-warning "target update construct inside of target region" } */
+
+#pragma omp parallel
+    {
+#pragma omp target /* { dg-warning "target construct inside of target region" } */
+      ;
+#pragma omp target data /* { dg-warning "target data construct inside of target region" } */
+      ;
+#pragma omp target update to(i) /* { dg-warning "target update construct inside of target region" } */
+    }
+  }
+}