[llvm] [llvm-objcopy] Support SREC output format (PR #75874)

[James Henderson via llvm-commits]

jh7370 wrote:

Thanks, merged. Please keep an eye out for emails from the build bots: if you get any failure notifications, check to see if it is likely to do with your change.

https://github.com/llvm/llvm-project/pull/75874