On Linux/x86, revision 157158: http://gcc.gnu.org/ml/gcc-cvs/2010-03/msg00030.html
caused: FAIL: 30_threads/promise/members/set_value3.cc execution test -- Summary: [4.5 regression] Revision 157158 failed 30_threads/promise/members/set_value3.cc Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl dot tools at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43230