[committed] libstdc++: Add call to test_format in std/time/clock/local/io.cc

[Jonathan Wakely]

This function was defined but not being called at runtime.

libstdc++-v3/ChangeLog:

        * testsuite/std/time/clock/local/io.cc: Call test_format.
---

Tested x86_64-linux. Pushed to trunk.

 libstdc++-v3/testsuite/std/time/clock/local/io.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libstdc++-v3/testsuite/std/time/clock/local/io.cc 
b/libstdc++-v3/testsuite/std/time/clock/local/io.cc
index 6efd81a87c2a..9774f59fc38f 100644
--- a/libstdc++-v3/testsuite/std/time/clock/local/io.cc
+++ b/libstdc++-v3/testsuite/std/time/clock/local/io.cc
@@ -136,5 +136,6 @@ static_assert( ! 
ostream_insertable<std::chrono::local_time<D>> );
 int main()
 {
   test_ostream();
+  test_format();
   test_parse();
 }
-- 
2.54.0