[llvm-branch-commits] [libcxx] [libc++] Cherry-pick the disabling of modules tests onto release/18.x (PR #85247)

[Louis Dionne via llvm-branch-commits]

ldionne wrote:

No worries! I just created https://github.com/llvm/llvm-project/pull/85305, hopefully that should do the trick.

https://github.com/llvm/llvm-project/pull/85247