bors 1174f78409 Auto merge of #154014 - Unique-Usman:ua/decmacrounrepeatable2, r=estebank ...

rustc_expand: improve diagnostics for non-repeatable metavars



There was an initally opened pr which solve this issue here https://github.com/rust-lang/rust/pull/152679. It got merged but, there was a perf regression. And this new pr is opened to address the problem. The first did the computation of binding and matched_rule and then passed them as owned value down to `diagnostics::emit_frag_parse_err(` but, now this pr address the issue by passing `lhs` and `rules` as borrowed value to from_tts and the move the logic to `diagnostics::emit_frag_parse_err(`.

Fix https://github.com/rust-lang/rust/issues/47452.

2026-03-25 23:14:18 +00:00

..

src

Auto merge of #154014 - Unique-Usman:ua/decmacrounrepeatable2, r=estebank

2026-03-25 23:14:18 +00:00

Cargo.toml

Convert to inline diagnostics in rustc_expand

2026-02-04 16:16:16 +01:00