Bug 20355 – undefined identifier U in core.atomic

The full log: :~/dlang/hunt/examples/UnitTest/ > dub build --compiler=dmd -a=x86_64 -b=debug Performing "debug" build using dmd for x86_64. hunt 1.4.0+commit.9.gb640ab1: building configuration "library"... /home/dmd2/linux/bin64/../../src/druntime/import/core/atomic.d(246,23): Error: undefined identifier U ../../source/hunt/concurrency/atomic/AtomicHelper.d(51,41): Error: template instance core.atomic.atomicExchange!(cast(MemoryOrder)5, IForkJoinTask, shared(IForkJoinTask)) error instantiating ../../source/hunt/concurrency/ForkJoinPool.d(3358,43): instantiated from here: getAndSet!(IForkJoinTask, IForkJoinTask) See also: https://travis-ci.org/huntlabs/hunt/jobs/607449502 https://github.com/huntlabs/hunt/blob/master/source/hunt/concurrency/ForkJoinPool.d#L1383 https://github.com/huntlabs/hunt/blob/master/source/hunt/concurrency/atomic/AtomicHelper.d#L27

@MoonlightSentinel created dlang/druntime pull request #2870 "Fix Issue 20355 - undefined identifier U in core.atomic" fixing this issue: - Fix Issue 20355 - undefined identifier U in core.atomic https://github.com/dlang/druntime/pull/2870

dlang/druntime pull request #2870 "Fix Issue 20355 - undefined identifier U in core.atomic" was merged into stable: - f71906eefee8c2bc5ad58e1e9e04817f494c2d2b by MoonlightSentinel: Fix Issue 20355 - undefined identifier U in core.atomic https://github.com/dlang/druntime/pull/2870

dlang/druntime pull request #2872 "Merge remote-tracking branch 'upstream/stable' into merge_stable" was merged into master: - 0ff7cc2f4874f6aac3b0becd93390bafc75bc5e9 by MoonlightSentinel: Fix Issue 20355 - undefined identifier U in core.atomic https://github.com/dlang/druntime/pull/2872