[llvm] [llvm-objcopy] Add support of symbol modification flags for MachO (PR #120895)

[James Henderson via llvm-commits]

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@@ -350,10 +350,16 @@ Changes to the Debug Info
 Changes to the LLVM tools
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+* llvm-objcopy now supports the following options for MachO:
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jh7370 wrote:

I think technically the spelling is "Mach-O". We've not done a great job in the command guide of being consistent, so fixes there welcome too (in a separate commit).

https://github.com/llvm/llvm-project/pull/120895