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19821ad234
Do not accept the following
```rust
macro_rules! lexes {($($_:tt)*) => {}}
lexes!(🐛"foo");
```
Before, invalid emoji identifiers were gated during parsing instead of lexing in all cases, but this didn't account for macro expansion of literal prefixes.
Fix #123696.
9 lines
164 B
Rust
9 lines
164 B
Rust
macro_rules! lexes {($($_:tt)*) => {}}
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lexes!(🐛#); //~ ERROR identifiers cannot contain emoji
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lexes!(🐛"foo");
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lexes!(🐛'q');
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lexes!(🐛'q);
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fn main() {}
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