[clang] [llvm][tblgen] Add `Source Filename` for `emitSourceFileHeader` (PR #65744)

[Shao-Ce SUN via cfe-commits]

" + sys::path::filename(Record.getInputFilename()),"
In-Reply-To: <llvm/llvm-project/pull/65744/clang at github.com>


https://github.com/sunshaoce edited https://github.com/llvm/llvm-project/pull/65744