[PATCH] D121177: [modules] Merge equivalent extensions and diagnose ivar redeclarations for extensions loaded from different modules.

[Volodymyr Sapsai via Phabricator via cfe-commits]

vsapsai updated this revision to Diff 425303.
vsapsai added a comment.

Handle in `VisitObjCIvarDecl` only redeclarations in extensions.

Interface+interface redeclarations should be handled in VisitObjCInterfaceDecl
and implementation+implementation in VisitObjCImplementationDecl.

Checked that we don't emit duplicate ivar metadata because unlike extensions,
there can be only a single [non-category] implementation.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121177/new/

https://reviews.llvm.org/D121177

Files:
  clang/include/clang/AST/DeclObjC.h
  clang/include/clang/Serialization/ASTReader.h
  clang/lib/AST/DeclObjC.cpp
  clang/lib/Serialization/ASTReader.cpp
  clang/lib/Serialization/ASTReaderDecl.cpp
  clang/test/Modules/merge-extension-ivars.m
  clang/test/Modules/redecl-ivars.m

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