[llvm-branch-commits] [libcxx] [lldb] release/21.x: [libc++] Ensure that we restore invariants in basic_filebuf::overflow (#147389) (PR #155712)

[Nikolas Klauser via llvm-branch-commits]

philnik777 wrote:

@Michael137 Do you think the lldb patch should be back-ported?

https://github.com/llvm/llvm-project/pull/155712