[PATCH] D48722: [ASTImporter] Update isUsed flag at Decl import.

[Balázs Kéri via Phabricator via cfe-commits]

balazske created this revision.
Herald added subscribers: cfe-commits, martong.
Herald added a reviewer: a.sidorin.

When a Decl is imported over an already existing similar one,
the isUsed flag is updated if it is set in the imported Decl.
This can happen if the Decl is used somewhere in the imported code
but was not used in the existing code.


Repository:
  rC Clang

https://reviews.llvm.org/D48722

Files:
  lib/AST/ASTImporter.cpp
  unittests/AST/ASTImporterTest.cpp

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