[clang] [llvm] [clang-tools-extra] [llvm-objcopy] Add --gap-fill and --pad-to options (PR #65815)

[Jan Svoboda via cfe-commits]

jansvoboda11 wrote:

The new tests started failing on Apple build bot: https://green.lab.llvm.org/green/job/clang-stage1-cmake-RA-incremental/38908/
Can you please fix these or revert the commit?

https://github.com/llvm/llvm-project/pull/65815