[clang] [Clang] Added check for unexpanded pack in attribute [[assume]] (PR #91893)

[via cfe-commits]

Sirraide wrote:

> Here are the builds
> 
> Mentioned in emails [clang-aarch64-sve-vls](https://lab.llvm.org/buildbot/#/builders/184/builds/12514) [clang-aarch64-sve-vla-2stage](https://lab.llvm.org/buildbot/#/builders/198/builds/9849)
> 
> Others [arc-builder](https://lab.llvm.org/buildbot/#/builders/164/builds/52197) [bolt-x86_64-ubuntu-clang](https://lab.llvm.org/buildbot/#/builders/252/builds/9890) [clang-with-lto-ubuntu](https://lab.llvm.org/buildbot/#/builders/124/builds/10736) [clang-with-thin-lto-ubuntu](https://lab.llvm.org/buildbot/#/builders/67/builds/15879) [clang-x64-windows-msvc](https://lab.llvm.org/buildbot/#/builders/123/builds/26469) [lldb-aarch64-windows](https://lab.llvm.org/buildbot/#/builders/219/builds/11350)

That’s an MLIR test which is entirely unrelated to any of this here, so you should be able to ignore that.

https://github.com/llvm/llvm-project/pull/91893