[all-commits] [llvm/llvm-project] 2a3a79: [lld-macho][NFC] Preserve original symbol isec, un...

[alx32 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2a3a79ce4c2149d7787d56f9841b66cacc9061d0
      https://github.com/llvm/llvm-project/commit/2a3a79ce4c2149d7787d56f9841b66cacc9061d0
  Author: alx32 <103613512+alx32 at users.noreply.github.com>
  Date:   2024-04-18 (Thu, 18 Apr 2024)

  Changed paths:
    M lld/MachO/ICF.cpp
    M lld/MachO/InputFiles.cpp
    M lld/MachO/InputSection.cpp
    M lld/MachO/MapFile.cpp
    M lld/MachO/MarkLive.cpp
    M lld/MachO/ObjC.cpp
    M lld/MachO/Relocations.cpp
    M lld/MachO/SectionPriorities.cpp
    M lld/MachO/SymbolTable.cpp
    M lld/MachO/Symbols.cpp
    M lld/MachO/Symbols.h
    M lld/MachO/SyntheticSections.cpp
    M lld/MachO/UnwindInfoSection.cpp
    M lld/MachO/Writer.cpp

  Log Message:
  -----------
  [lld-macho][NFC] Preserve original symbol isec, unwindEntry and size (#88357)

Currently, when moving symbols from one `InputSection` to another (like
in ICF) we directly update the symbol's `isec`, `unwindEntry` and
`size`. By doing this we lose the original information. This information
will be needed in a future change. Since when moving symbols we always
set the symbol's `wasCoalesced` and `isec-> replacement`, we can just
use this info to conditionally get the information we need at access
time.



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