[compiler-rt] [ubsan][test] Enable Misc/Linux tests on all Posix systems (PR #111497)

[Rainer Orth via llvm-commits]

rorth wrote:

I don't think it's a good idea to perform `clang-format` changes upon a rename.  I suggest to leave the code as is in this patch.

https://github.com/llvm/llvm-project/pull/111497