[PATCH] D98837: [lld][MachO] Refactor handling of subsections

[Alexander Shaposhnikov via Phabricator via llvm-commits]

alexshap created this revision.
alexshap added reviewers: lld-macho, int3.
Herald added a subscriber: mgrang.
Herald added a project: lld-macho.
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This diff is a preparation for fixing FunStabs (incorrect size calculation).
std::map<uint32_t, InputSection*> (SubsectionMap) is replaced with a sorted vector + binary search.
If .subsections_via_symbols is set this vector will contain the list of subsections,
otherwise,  the offsets will be used for calculating the symbols sizes (in a follow-up patch).

Test plan: make check-all


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D98837

Files:
  lld/MachO/InputFiles.cpp
  lld/MachO/InputFiles.h

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