[testsuite] asan/clone-test-1.c: Handle clone() failure

2016-07-04  Christophe Lyon  <christophe.lyon@linaro.org>

	* c-c++-common/asan/clone-test-1.c (main): Handle clone() failure.

From-SVN: r237987

gcc/testsuite/ChangeLog

+2016-07-04  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	* c-c++-common/asan/clone-test-1.c (main): Handle clone() failure.
+
 2016-07-04  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 
 	* gcc.target/s390/vector/vec-scalar-cmp-1.c: Expect lochi instead of

gcc/testsuite/c-c++-common/asan/clone-test-1.c

@@ -29,6 +29,10 @@ int main(int argc, char **argv) {
   char *sp = child_stack + kStackSize;  /* Stack grows down. */
   printf("Parent: %p\n", sp);
   pid_t clone_pid = clone(Child, sp, CLONE_FILES | CLONE_VM, NULL, 0, 0, 0);
+  if (clone_pid == -1) {
+    perror("clone");
+    return 1;
+  }
   int status;
   pid_t wait_result = waitpid(clone_pid, &status, __WCLONE);
   if (wait_result < 0) {