[llvm] [TableGen] Allow empty terminator in SequenceToOffsetTable (PR #119751)

[Sergei Barannikov via llvm-commits]

s-barannikov wrote:

There is a bunch of warnings I need to deal with: `warning: zero size arrays are an extension [-Wzero-length-array]`
that turn into an error when building with MSVC: `error C2466: cannot allocate an array of constant size 0`.


https://github.com/llvm/llvm-project/pull/119751