[Bug libstdc++/64168] New: [5.0 regression] FAIL: 30_threads/async/sync.cc execution test

[schwab@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64168

            Bug ID: 64168
           Summary: [5.0 regression] FAIL: 30_threads/async/sync.cc
                    execution test
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: schwab@linux-m68k.org
                CC: redi at gcc dot gnu.org
            Target: m68k-*-*, ia64-*-*

Broken by r218255.

sync.exe:
/usr/local/gcc/gcc-20141203/libstdc++-v3/testsuite/30_threads/async/sync.cc:54:
void test01(): Assertion `f1.wait_until(then) == std::future_status::deferred'
failed.