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interpret: refactor projection code to work on a common trait, and use that for visitors

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This commit is contained in:
Ralf Jung 2023-07-24 11:44:58 +02:00
parent a593de4fab
commit a2bcafa500
44 changed files with 863 additions and 1210 deletions
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4
compiler/rustc_middle/src/ty/layout.rs
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@ -741,9 +741,9 @@ where
let fields = match this.ty.kind() {
ty::Adt(def, _) if def.variants().is_empty() =>
bug!("for_variant called on zero-variant enum"),
bug!("for_variant called on zero-variant enum {}", this.ty),
ty::Adt(def, _) => def.variant(variant_index).fields.len(),
_ => bug!(),
_ => bug!("`ty_and_layout_for_variant` on unexpected type {}", this.ty),
};
tcx.mk_layout(LayoutS {
variants: Variants::Single { index: variant_index },