Matthew Jasper 333388fd3c Move let expression checking to parsing ... There was an incomplete version of the check in parsing and a second version in AST validation. This meant that some, but not all, invalid uses were allowed inside macros/disabled cfgs. It also means that later passes have a hard time knowing when the let expression is in a valid location, sometimes causing ICEs. - Add a field to ExprKind::Let in AST/HIR to mark whether it's in a valid location. - Suppress later errors and MIR construction for invalid let expressions.		2023-09-11 15:51:18 +00:00
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src	Move let expression checking to parsing	2023-09-11 15:51:18 +00:00
Cargo.toml	Use ThinVec in ast::Generics and related types.	2023-02-21 11:51:55 +11:00