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Merge remote-tracking branch 'origin/trunk' into builtins-in-roc-delayed-alias

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Folkert 2022-03-18 21:25:52 +01:00
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21
compiler/mono/src/borrow.rs
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@ -724,6 +724,23 @@ impl<'a> BorrowInfState<'a> {
// the function must take it as an owned parameter
self.own_args_if_param(xs);
}
ExprBox { symbol: x } => {
self.own_var(z);
// if the used symbol is an argument to the current function,
// the function must take it as an owned parameter
self.own_args_if_param(&[*x]);
}
ExprUnbox { symbol: x } => {
// if the boxed value is owned, the box is
self.if_is_owned_then_own(*x, z);
// if the extracted value is owned, the structure must be too
self.if_is_owned_then_own(z, *x);
}
Reset { symbol: x, .. } => {
self.own_var(z);
self.own_var(*x);
@ -1012,6 +1029,10 @@ pub fn lowlevel_borrow_signature(arena: &Bump, op: LowLevel) -> &[bool] {
ExpectTrue => arena.alloc_slice_copy(&[irrelevant]),
BoxExpr | UnboxExpr => {
unreachable!("These lowlevel operations are turned into mono Expr's")
}
PtrCast | RefCountInc | RefCountDec => {
unreachable!("Only inserted *after* borrow checking: {:?}", op);
}