[PATCH] D67028: Use musttail for variadic method thunks when possible

[Reid Kleckner via Phabricator via cfe-commits]

rnk updated this revision to Diff 218995.
rnk added a comment.

- emit an error if we try to clone without a definition


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D67028/new/

https://reviews.llvm.org/D67028

Files:
  clang/lib/CodeGen/CGVTables.cpp
  clang/test/CodeGenCXX/linetable-virtual-variadic.cpp
  clang/test/CodeGenCXX/ms-thunks-variadic-return.cpp
  clang/test/CodeGenCXX/thunks.cpp

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