[nvptx, testsuite, openacc, libgomp] Add insufficient-resources.c

Add a test-case that tests the "insufficient resources" fatal in the nvptx
libgomp plugin.

2019-01-11  Tom de Vries  <tdevries@suse.de>

	* testsuite/libgomp.oacc-c-c++-common/insufficient-resources.c: New
	test.

From-SVN: r267835

libgomp/ChangeLog

+2019-01-11  Tom de Vries  <tdevries@suse.de>
+
+	* testsuite/libgomp.oacc-c-c++-common/insufficient-resources.c: New
+	test.
+
 2019-01-10  Nathan Sidwell  <nathan@acm.org>
 	    Julian Brown  <julian@codesourcery.com>
 

libgomp/testsuite/libgomp.oacc-c-c++-common/insufficient-resources.c

+/* { dg-set-target-env-var "GOMP_OPENACC_DIM" ":33:" } */
+/* { dg-shouldfail "" { openacc_nvidia_accel_selected } } */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int
+main (void)
+{
+#pragma acc parallel vector_length (32)
+  {
+#pragma acc loop worker
+    for (unsigned int i = 0; i < 32; i++)
+#pragma acc loop vector
+      for (unsigned int j = 0; j < 64; j++)
+	;
+  }
+
+  return 0;
+}
+/* { dg-output "The Nvidia accelerator has insufficient resources" { target openacc_nvidia_accel_selected } } */