[testsuite,libstdc++-v3] Fix 27_io/filesystem/iterators/caching.cc

2019-04-08  Christophe Lyon  <christophe.lyon@linaro.org>

	* testsuite/27_io/filesystem/iterators/caching.cc: Add
	dg-require-filesystem-ts.

From-SVN: r270199

libstdc++-v3/ChangeLog

+2019-04-08  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	* testsuite/27_io/filesystem/iterators/caching.cc: Add
+	dg-require-filesystem-ts.
+
 2019-04-05  Jonathan Wakely  <jwakely@redhat.com>
 
 	* doc/xml/manual/status_cxx2020.xml: Update status.

libstdc++-v3/testsuite/27_io/filesystem/iterators/caching.cc

@@ -17,6 +17,7 @@
 
 // { dg-options "-std=gnu++17" }
 // { dg-do run { target c++17 } }
+// { dg-require-filesystem-ts "" }
 
 #include <filesystem>
 #include <testsuite_fs.h>