[PATCH] D74830: [clang][Index] Fix the incomplete instantiations in libindex.

[Haojian Wu via Phabricator via cfe-commits]

hokein created this revision.
hokein added a reviewer: kadircet.
Herald added subscribers: usaxena95, arphaman, jkorous, ilya-biryukov.
Herald added a project: clang.

libindex will canonicalize references to template instantiations:

- 1) reference to an explicit template specialization, report the specializatiion
- 2) otherwise, report the primary template

but 2) is not true for incomplete instantiations, this patch fixes this.

Fixes https://github.com/clangd/clangd/issues/287


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D74830

Files:
  clang-tools-extra/clangd/unittests/XRefsTests.cpp
  clang/lib/Index/IndexingContext.cpp
  clang/test/Index/Core/index-instantiated-source.cpp
  clang/test/Index/Core/index-source.cpp

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