[PATCH] D153536: [Clang] Implement P2169 A nice placeholder with no name

[Corentin Jabot via Phabricator via cfe-commits]

cor3ntin added a comment.

In D153536#4475215 <https://reviews.llvm.org/D153536#4475215>, @philnik wrote:

> Would it be possible to make `__` also a placeholder, so standard libraries can use this before C++26? Or is `_` already a reserved identifier? (I don't think so)

I don't see an issue allowing that in the std namespace. If we allow it everywhere, I'm afraid people will rely on it, which would hurt portability/be confusing.


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https://reviews.llvm.org/D153536