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layout computation: eagerly error for unexpected unsized fields

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This commit is contained in:
Lukas Markeffsky 2024-09-15 22:16:21 +02:00
parent 16be6666d4
commit 697450151c
25 changed files with 1246 additions and 1115 deletions
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2
compiler/rustc_const_eval/src/interpret/validity.rs
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@ -940,7 +940,7 @@ impl<'rt, 'tcx, M: Machine<'tcx>> ValidityVisitor<'rt, 'tcx, M> {
) -> Cow<'e, RangeSet> {
assert!(layout.ty.is_union());
assert!(layout.abi.is_sized(), "there are no unsized unions");
let layout_cx = LayoutCx { tcx: *ecx.tcx, param_env: ecx.param_env };
let layout_cx = LayoutCx::new(*ecx.tcx, ecx.param_env);
return M::cached_union_data_range(ecx, layout.ty, || {
let mut out = RangeSet(Vec::new());
union_data_range_uncached(&layout_cx, layout, Size::ZERO, &mut out);