[libc-commits] [libc] [libc] Migrate to using LIBC_NAMESPACE_DECL for namespace declaration (PR #98597)

[Petr Hosek via libc-commits]

petrhosek wrote:

I managed to reproduce the failure from https://lab.llvm.org/buildbot/#/builders/153/builds/2766/steps/6/logs/stdio and it should be addressed in this version.

https://github.com/llvm/llvm-project/pull/98597