[all-commits] [llvm/llvm-project] 9ab5f7: Support for merging UsingPackDecls across modules.

[Richard Smith via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9ab5f761176c376c0a117c53f0f111fed1bcc842
      https://github.com/llvm/llvm-project/commit/9ab5f761176c376c0a117c53f0f111fed1bcc842
  Author: Richard Smith <richard at metafoo.co.uk>
  Date:   2021-07-01 (Thu, 01 Jul 2021)

  Changed paths:
    M clang/lib/Serialization/ASTReaderDecl.cpp
    M clang/test/Modules/Inputs/merge-using-decls/a.h
    M clang/test/Modules/Inputs/merge-using-decls/b.h
    M clang/test/Modules/merge-using-decls.cpp

  Log Message:
  -----------
  Support for merging UsingPackDecls across modules.

Fixes a false-positive error if the same std::variant<...> type is
instantiated across multiple modules.