tahonermann added inline comments.
================
Comment at: clang/lib/Lex/Lexer.cpp:3323
if (Diagnose)
Diag(StartPtr, diag::warn_ucn_escape_incomplete);
return llvm::None;
----------------
I was able to confirm that `StartPtr` does point to `N`. See the diagnostic
generated at https://godbolt.org/z/qnajcMeso; the diagnostic caret points to
`N` instead of `\`.
<source>:1:2: warning: incomplete delimited universal character name;
treating as '\' 'N' '{' identifier [-Wunicode]
\N{abc
^
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D138861/new/
https://reviews.llvm.org/D138861
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