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Some small fixes to how structs/enums are optimized

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This commit is contained in:
Austin Hicks 2016-11-23 16:50:36 -05:00
parent 052e59cc12
commit e9580e262b
1 changed files with 2 additions and 2 deletions
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4
src/librustc/ty/layout.rs
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@ -585,10 +585,10 @@ impl<'a, 'gcx, 'tcx> Struct {
let (optimize, sort_ascending) = match kind { let (optimize, sort_ascending) = match kind {
StructKind::AlwaysSizedUnivariant => (can_optimize, false), StructKind::AlwaysSizedUnivariant => (can_optimize, false),
StructKind::MaybeUnsizedUnivariant => (can_optimize, true), StructKind::MaybeUnsizedUnivariant => (can_optimize, false),
StructKind::EnumVariant => { StructKind::EnumVariant => {
assert!(fields.len() >= 1, "Enum variants must have discriminants."); assert!(fields.len() >= 1, "Enum variants must have discriminants.");
(can_optimize, fields[0].size(dl).bytes() == 1) (can_optimize || fields[0].size(dl).bytes() == 1, true)
} }
}; };