[PATCH] D155713: [clang] Fix interaction between dllimport and exclude_from_explicit_instantiation

[Louis Dionne via Phabricator via cfe-commits]

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When an entity is marked with both dllimport and exclude_from_explicit_instantiation,
the compiler should not assume that the entity will be provided in another TU.

Fixes https://github.com/llvm/llvm-project/issues/40363


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D155713

Files:
  clang/lib/AST/ASTContext.cpp
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/lib/Sema/Sema.cpp
  clang/test/CodeGenCXX/attr-exclude_from_explicit_instantiation.dllimport.cpp
  clang/test/SemaCXX/attr-exclude_from_explicit_instantiation.dllimport.cpp

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