[PATCH] D119792: [Clang] [P2025] Analyze only potential scopes for NRVO

[Evgeny Shulgin via Phabricator via cfe-commits]

Izaron created this revision.
Izaron added reviewers: lebedev.ri, rsmith.
Izaron requested review of this revision.
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Herald added a subscriber: cfe-commits.

Before the patch we calculated the NRVO candidate looking at the
variable's whole enclosing scope. The research in [P2025 <https://reviews.llvm.org/P2025>] shows that looking
at the variable's potential scope is better and covers more cases where NRVO
would be safe and desirable.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D119792

Files:
  clang/include/clang/Sema/Scope.h
  clang/test/CodeGenCXX/nrvo.cpp

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