[PATCH] D75491: [CodeGenObjC] Privatize some ObjC metadata symbols

[Erik Pilkington via Phabricator via cfe-commits]

erik.pilkington created this revision.
erik.pilkington added reviewers: rjmccall, ahatanak, vsk.
Herald added subscribers: ributzka, dexonsmith, jkorous.

Nobody needs these symbols, so there isn't any benefit in including them. This saves some code-size in Objective-C binaries.

Partially reverts: https://reviews.llvm.org/D61454

rdar://56579760


https://reviews.llvm.org/D75491

Files:
  clang/lib/CodeGen/CGObjCMac.cpp
  clang/test/CodeGenObjC/class-stubs.m
  clang/test/CodeGenObjC/exceptions-asm-attribute.m
  clang/test/CodeGenObjC/metadata-symbols-64.m
  clang/test/CodeGenObjC/metadata_symbols.m
  clang/test/CodeGenObjC/non-lazy-classes.m
  clang/test/CodeGenObjC/sections.m

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