split-1.c: Require split_stack, don't require freorder.

	* gcc.dg/tree-prof/split-1.c: Require split_stack, don't require
	freorder.  Update comment to explain test.

From-SVN: r249129

gcc/testsuite/ChangeLog

+2017-06-12  Ian Lance Taylor  <iant@golang.org>
+
+	* gcc.dg/tree-prof/split-1.c: Require split_stack, don't require
+	freorder.  Update comment to explain test.
+
 2017-06-12  Tamar Christina  <tamar.christina@arm.com>
 
 	* gcc.target/aarch64/inline-lrint_1.c: Broaden regexp.

gcc/testsuite/gcc.dg/tree-prof/split-1.c

-/* Test case that we don't get a link-time error when using
-   -fsplit-stack with -freorder-blocks-and-partition.  */
-/* { dg-require-effective-target freorder } */
+/* Test that we don't get a link-time error when using -fsplit-stack
+   due to implicit enabling of -freorder-blocks-and-partition.  */
+/* { dg-require-effective-target split_stack } */
 /* { dg-options "-O2 -fsplit-stack" } */
 
 extern unsigned int sleep (unsigned int);