[libc-commits] [libc] [libc] Enable -Wconversion for tests. (PR #127523)

[Augie Fackler via libc-commits]

durin42 wrote:

I rolled this back for now because libc has a call to one of these functions that breaks under ubsan - see https://github.com/llvm/llvm-project/pull/129928/commits/da61b0ddc5dcc8f1ac64eaddabdbfec5aa23f22b for details.

@lntue graciously offered to try and fix-forward but said it wasn't feasible quickly, but hopefully this is enough information for you to redo this easily with the needed fixes. :)

https://github.com/llvm/llvm-project/pull/127523