[PATCH] D129664: [Clang] Adjust extension warnings for delimited sequences

[Jakub Jelínek via Phabricator via cfe-commits]

jakubjelinek added a comment.

While accepting all these inside of string and character literals in C and C++20 and older is fine, accepting them inside of identifiers can change meaning of valid programs.
https://gcc.gnu.org/pipermail/gcc-patches/2022-August/600620.html
#define z(x) 0
#define a z(
int x = a\N{LATIN SMALL LETTER U WITH DIAERESIS});
int y = a\u{1234});
int z = a\U{12345678});


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  https://reviews.llvm.org/D129664/new/

https://reviews.llvm.org/D129664