Update to MacOS Sequoia Version 15.4 (24E248) broke dmd and ldmd2 for me

[Sergey]

On Wednesday, 2 April 2025 at 20:44:21 UTC, Christian Köstlin 
wrote:
> Hi,
>
> I just updated to said version on Apple silicon and neither dmd 
> nor ldmd2 work anymore for me (as installed by the dlang 
> install script https://dlang.org/install.html, which in turn 
> used dmd.2.111.0.osx.tar.xz and ldc2-1.40.1-osx-arm64.tar.xz).
> On one hand I hope this is a local problem of mine, on the 
> other hand I would like to ask here, if anybody else 
> experienced/s this?
>
> Some more details:
> dmd and ldmd2 crash directly for me on invocation (even without 
> arguments) (lldb blaims something in   * frame #0: 
> 0x0000000199ee4bf4 libsystem_pthread.dylib`pthread_getspecific 
> + 4 for both binaries).
> ldc2 compile a simple hello world, but the executable crashes 
> on the same "line".
>
> Kind regards,
> Christian

https://github.com/ldc-developers/ldc/issues/4899
https://github.com/dlang/dmd/issues/21126