[clang] [compiler-rt] [ubsan] Display correct runtime messages for negative _BitInt (PR #96240)

[via llvm-commits]

earnol wrote:

> Please pass an explicit `-triple` to `%clang_cc1` if the test is not supposed to be big endian compatible.

This had been done in https://github.com/llvm/llvm-project/pull/104607. Please check.

https://github.com/llvm/llvm-project/pull/96240