Bug 21448 – Linker errors while building a Vibe.d app

I've filed an issue to vibe-core initially, but the developer asked me to report it here. Vibe-core issue: https://github.com/vibe-d/vibe-core/issues/238 vibe-core 1.11.1, vibe.d 0.9.2, DMD 2.094.2, Ubuntu 20.10. Problem does not exist with DMD 2.093.1. ===== /usr/include/dmd/phobos/std/typecons.d:6471: error: undefined reference to '_D3std8typecons__T10RefCountedTSQBe9container5array__T5ArrayTS4vibe4core4sync18LocalTaskSemaphore12ThreadWaiterZQCg7PayloadVEQEtQEs24RefCountedAutoInitializei0ZQFm15RefCountedStore15deallocateStoreMFNaNbNiZv' /usr/include/dmd/phobos/std/typecons.d:6471: error: undefined reference to '_D3std8typecons__T10RefCountedTSQBe9container5array__T5ArrayTS4vibe4http6router17MatchGraphBuilder11TerminalTagZQCg7PayloadVEQEtQEs24RefCountedAutoInitializei0ZQFm15RefCountedStore15deallocateStoreMFNaNbNiZv' /usr/include/dmd/phobos/std/typecons.d:6471: error: undefined reference to '_D3std8typecons__T10RefCountedTSQBe9container5array__T5ArrayTS4vibe4http6router__T16LinkedSetBackingTkZQv5EntryZQCg7PayloadVEQEtQEs24RefCountedAutoInitializei0ZQFm15RefCountedStore15deallocateStoreMFNaNbNiZv' /usr/include/dmd/phobos/std/typecons.d:6471: error: undefined reference to '_D3std8typecons__T10RefCountedTSQBe9container5array__T5ArrayTS4vibe4http6router17MatchGraphBuilder4NodeZQBy7PayloadVEQElQEk24RefCountedAutoInitializei0ZQFe15RefCountedStore15deallocateStoreMFNaNbNiZv'

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