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Don't store recursive unions by recursive pointer head-on

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Ayaz Hafiz 2023-01-25 18:05:43 -06:00
parent 36beda63ba
commit a294cae9cd
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1 changed files with 3 additions and 3 deletions
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6
crates/compiler/mono/src/layout/intern.rs
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@ -755,7 +755,7 @@ impl<'a> LayoutInterner<'a> for TLLayoutInterner<'a> {
if let Some(full_layout) = new_interned_full_layout { if let Some(full_layout) = new_interned_full_layout {
self.record(full_layout, interned); self.record(full_layout, interned);
} }
self.insert(Layout::RecursivePointer(interned)) interned
} }
fn get(&self, key: InLayout<'a>) -> Layout<'a> { fn get(&self, key: InLayout<'a>) -> Layout<'a> {
@ -887,7 +887,7 @@ macro_rules! st_impl {
// - if so, use that one immediately // - if so, use that one immediately
// - otherwise, allocate a new slot, update the recursive layout, and intern // - otherwise, allocate a new slot, update the recursive layout, and intern
if let Some(in_layout) = self.map.get(&normalized_layout) { if let Some(in_layout) = self.map.get(&normalized_layout) {
return self.insert(Layout::RecursivePointer(*in_layout)); return *in_layout;
} }
// This recursive layout must be new to the interner, reserve a slot and fill it in. // This recursive layout must be new to the interner, reserve a slot and fill it in.
@ -900,7 +900,7 @@ macro_rules! st_impl {
self.map.insert(normalized_layout, slot); self.map.insert(normalized_layout, slot);
self.map.insert(full_layout, slot); self.map.insert(full_layout, slot);
self.insert(Layout::RecursivePointer(slot)) slot
} }
fn get(&self, key: InLayout<'a>) -> Layout<'a> { fn get(&self, key: InLayout<'a>) -> Layout<'a> {