[COMMITTED] Fix pthread errors in pr86637-2.c

Fix test errors on targets which do not support pthreads.

Committed as obvious.

    testsuite/
	PR tree-optimization/86637
	* gcc.c-torture/compile/pr86637-2.c: Test pthread and graphite target.

From-SVN: r268777

gcc/testsuite/ChangeLog

@@ -1,3 +1,8 @@
+2019-02-12  Wilco Dijkstra  <wdijkstr@arm.com>
+
+	PR tree-optimization/86637
+	* gcc.c-torture/compile/pr86637-2.c: Test pthread and graphite target.
+
 2019-02-11  Martin Sebor  <msebor@redhat.com>
 
 	PR tree-optimization/88771

gcc/testsuite/gcc.c-torture/compile/pr86637-2.c

@@ -1,4 +1,6 @@
-/* { dg-do compile { target fgraphite } } */
+/* { dg-do compile } */
+/* { dg-require-effective-target fgraphite } */
+/* { dg-require-effective-target pthread } */
 /* { dg-options "-floop-parallelize-all -fsave-optimization-record -ftree-parallelize-loops=2 -ftree-slp-vectorize" } */
 
 #include <stdint.h>