[PATCH] D114411: [WIP][modules] Avoid deserializing Decls from hidden (sub)modules.

[Volodymyr Sapsai via Phabricator via cfe-commits]

vsapsai updated this revision to Diff 389374.
vsapsai added a comment.

Fix some failing tests to demonstrate the magnitued of changes better.

In some places check if a decl is deserialized successfully as it's not guaranteed.
Also tried to make sure a module is marked as visible *before* we try to deserialize its decls.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D114411/new/

https://reviews.llvm.org/D114411

Files:
  clang/include/clang/Serialization/ASTReader.h
  clang/lib/Sema/SemaModule.cpp
  clang/lib/Serialization/ASTReader.cpp
  clang/lib/Serialization/ASTReaderDecl.cpp
  clang/lib/Serialization/ASTWriterDecl.cpp
  clang/test/Modules/ambiguous-enum-lookup.m

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