[HLSL] Add DXC 1.8.2502 release

[bob80905]

This adds the latest DXC 1.8.502 release.

[partouf]

Thanks

Missing a PR to add the same DXC to this: https://github.com/compiler-explorer/compiler-explorer/blob/main/etc/config/hlsl.amazon.properties#L3

[bob80905]

Thanks

Missing a PR to add the same DXC to this: https://github.com/compiler-explorer/compiler-explorer/blob/main/etc/config/hlsl.amazon.properties#L3

Thanks,
was fiddling with the recommended testing suggestion, but couldn't get testing to work.
PR is here:
compiler-explorer/compiler-explorer#7527

[mattgodbolt]

I'll merge and test in situ! thanks

[mattgodbolt]

This failed:

Installing compilers/hlsl/dxc 1.8.2502
2025-03-27 18:54:06,598 lib.installation_context ERROR    Failed to fetch https://s3.amazonaws.com/compiler-explorer/opt/dxc-1.8.2502.tar.xz: <Response [404]>
2025-03-27 18:54:06,616 lib.ce_install  INFO     compilers/hlsl/dxc 1.8.2502 failed to install: Fetch failure for https://s3.amazonaws.com/compiler-explorer/opt/dxc-1.8.2502.tar.xz: <Response [404]>

[mattgodbolt]

ah because I need to build it

[mattgodbolt]

building here (for posterity I think it's a misc build with build-dxc.sh - https://github.com/compiler-explorer/infra/actions/runs/14114554938/job/39541451943 )

[mattgodbolt]

ok after I built it, all installed fine :) Sorry for the scare.