[PATCH] D106577: [clang] Define __STDC_ISO_10646__

[Joerg Sonnenberger via Phabricator via cfe-commits]

joerg added a comment.

> I still don't fully understand the original comment from Joerg. The encoding of `L'a'` cannot change at runtime; it's a literal whose encoding is decided entirely at compile time. @joerg -- did you mean that Clang produces a different literal encoding depending on the environment the host compiler is running in?

It should, which is exactly why I consider non-trivial wchar_t literals fundamentally flawed as concept. AFAICT the only somewhat portable value is \0.


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https://reviews.llvm.org/D106577