[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:
+  `--globalize-symbol`, `--globalize-symbols`,
+  `--keep-global-symbol`, `-G`, `--keep-global-symbols`,
+  `--localize-symbol`, `-L`, `--localize-symbols`,
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jh7370 wrote:

I think you can omit `-G` and `-L` as they're just the short aliases for some of the other option names.

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