[PATCH] D135816: [clang] Support `constexpr` for some `ASTNodeKind` member functions

[Eric Li via Phabricator via cfe-commits]

li.zhe.hua created this revision.
li.zhe.hua added a reviewer: aaron.ballman.
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Add `constexpr` support for:

- The `getFromNodeKind` factory function
- `isSame`
- `isNone`
- `hasPointerIdentity`

This enables these functions to be used in SFINAE context for AST node
types.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D135816

Files:
  clang/include/clang/AST/ASTTypeTraits.h
  clang/unittests/AST/ASTTypeTraitsTest.cpp

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