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memory leak investigation

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This commit is contained in:
Folkert 2021-02-15 22:03:33 +01:00
parent 82ff8a8edf
commit 0fdba3be56
2 changed files with 24 additions and 5 deletions
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27
compiler/gen/src/llvm/build.rs
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@ -2245,10 +2245,29 @@ pub fn build_exp_stmt<'a, 'ctx, 'env>(
let (value, layout) = load_symbol_and_layout(scope, symbol);
if layout.is_refcounted() {
if value.is_pointer_value() {
let value_ptr = value.into_pointer_value();
let refcount_ptr = PointerToRefcount::from_ptr_to_data(env, value_ptr);
refcount_ptr.decrement(env, layout);
match value {
BasicValueEnum::PointerValue(value_ptr) => {
let refcount_ptr =
PointerToRefcount::from_ptr_to_data(env, value_ptr);
refcount_ptr.decrement(env, layout);
}
BasicValueEnum::StructValue(_value_struct) => {
match layout {
Layout::Builtin(Builtin::Str)
| Layout::Builtin(Builtin::List(_, _))
| Layout::Builtin(Builtin::Dict(_, _))
| Layout::Builtin(Builtin::Set(_)) => {
// let refcount_ptr = PointerToRefcount::from_list_wrapper(env, value_struct);
// refcount_ptr.decrement(env, layout);
eprintln!("we are likely leaking some memory, see #985 for details");
}
_ => unreachable!(
"decref on weird type, likely a closure? {:?}",
layout
),
}
}
_ => unreachable!("cannot be decref'd"),
}
}