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avoid extra joinpoint and loop for list refcounting

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Brendan Hansknecht 2024-07-12 16:53:05 -07:00
parent 0d083bc192
commit afda757433
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1 changed files with 3 additions and 1 deletions
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4
crates/compiler/mono/src/code_gen_help/refcount.rs
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@ -77,7 +77,9 @@ pub fn refcount_stmt<'a>(
ModifyRc::DecRef(structure) => {
match layout_interner.get_repr(layout) {
// Str has no children, so Dec is the same as DecRef.
LayoutRepr::Builtin(Builtin::Str) => {
// List has children, but it is dealt with by LowLevel::ListDecRef.
// It correctly handles both Dec and DecRef
LayoutRepr::Builtin(Builtin::Str | Builtin::List(_)) => {
ctx.op = HelperOp::Dec;
refcount_stmt(
root,