[libcxx-commits] [libcxx] [libc++] Ensure that we restore invariants in basic_filebuf::overflow (PR #147389)

[Konstantin Varlamov via libcxx-commits]

var-const wrote:

/cherry-pick https://github.com/llvm/llvm-project/commit/6291b63a9a104fe93f8e4e279ef2237dc081304f

https://github.com/llvm/llvm-project/pull/147389