llvm

27c85964 - [win][x64] Unwind v2: When making headroom leave space for the header (#188368)

[win][x64] Unwind v2: When making headroom leave space for the header (#188368) When the `ensureHeadroom` call was added during unwind v2 info emission, it didn't take into account that there is a header of 2-bytes before all the fixups, so not enough space was actually reserved.