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add helper methods for accessing struct tail

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This commit is contained in:
Lukas Markeffsky 2023-07-05 20:44:24 +02:00
parent e3de14e463
commit 7aa5f39d3b
9 changed files with 31 additions and 34 deletions
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2
compiler/rustc_hir_analysis/src/check/wfcheck.rs
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@ -981,7 +981,7 @@ fn check_type_defn<'tcx>(tcx: TyCtxt<'tcx>, item: &hir::Item<'tcx>, all_sized: b
// intermediate types must be sized.
let needs_drop_copy = || {
packed && {
let ty = tcx.type_of(variant.fields.raw.last().unwrap().did).subst_identity();
let ty = tcx.type_of(variant.tail().did).subst_identity();
let ty = tcx.erase_regions(ty);
if ty.has_infer() {
tcx.sess