[PATCH] D89561: [MC] Adjust StringTableBuilder for linked Mach-O binaries

[Alexander Shaposhnikov via Phabricator via llvm-commits]

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LD64 emits string tables which start with a space and a zero byte.
This diff adjusts StringTableBuilder for linked Mach-O binaries to match LD64's behavior.

Test plan: make check-all


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D89561

Files:
  llvm/include/llvm/MC/StringTableBuilder.h
  llvm/lib/MC/StringTableBuilder.cpp
  llvm/test/tools/llvm-objcopy/MachO/basic-big-endian-64-copy.test
  llvm/test/tools/llvm-objcopy/MachO/basic-little-endian-64-copy.test
  llvm/test/tools/llvm-objcopy/MachO/code_signature_lc.test
  llvm/test/tools/llvm-objcopy/MachO/remove-swift-symbols.test
  llvm/test/tools/llvm-objcopy/MachO/segments-vmsize.test
  llvm/test/tools/llvm-objcopy/MachO/symbol-table.test
  llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.h
  llvm/unittests/MC/StringTableBuilderTest.cpp

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