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333388fd3c
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. |
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| .. | ||
| rfc-0107-bind-by-move-pattern-guards | ||
| rfc-1014-stdout-existential-crisis | ||
| rfc-1445-restrict-constants-in-patterns | ||
| rfc-1623-static | ||
| rfc-1717-dllimport | ||
| rfc-1789-as-cell | ||
| rfc-1857-stabilize-drop-order | ||
| rfc-1937-termination-trait | ||
| rfc-2005-default-binding-mode | ||
| rfc-2008-non-exhaustive | ||
| rfc-2027-object-safe-for-dispatch | ||
| rfc-2091-track-caller | ||
| rfc-2093-infer-outlives | ||
| rfc-2126-crate-paths | ||
| rfc-2126-extern-absolute-paths | ||
| rfc-2151-raw-identifiers | ||
| rfc-2175-or-if-while-let | ||
| rfc-2294-if-let-guard | ||
| rfc-2302-self-struct-ctor | ||
| rfc-2306-convert-id | ||
| rfc-2361-dbg-macro | ||
| rfc-2396-target_feature-11 | ||
| rfc-2397-do-not-recommend | ||
| rfc-2421-unreserve-pure-offsetof-sizeof-alignof | ||
| rfc-2457-non-ascii-idents | ||
| rfc-2497-if-let-chains | ||
| rfc-2528-type-changing-struct-update | ||
| rfc-2565-param-attrs | ||
| rfc-2627-raw-dylib | ||
| rfc-2632-const-trait-impl | ||
| rfc-3348-c-string-literals | ||