I get the below. Jon, can you have a look? Thanks in advance... /home/paolo/Gcc/svn-dirs/trunk/libstdc++-v3/testsuite/performance/30_threads/future/polling.cc: In function void poll(std::shared_future<void>): /home/paolo/Gcc/svn-dirs/trunk/libstdc++-v3/testsuite/performance/30_threads/future/polling.cc:25:13: error: class std::shared_future<void> has no member named is_ready /home/paolo/Gcc/svn-dirs/trunk/libstdc++-v3/testsuite/performance/30_threads/future/polling.cc: In function int main(): /home/paolo/Gcc/svn-dirs/trunk/libstdc++-v3/testsuite/performance/30_threads/future/polling.cc:49:13: error: class std::shared_future<void> has no member named is_ready
-- Summary: performance/30_threads/future/polling.cc fails at compile time Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: paolo dot carlini at oracle dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45283