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fix: skip drop_fibers_and_futures when concurrency support is disabled #12515

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fix: skip drop_fibers_and_futures when concurrency support is disabled #12515

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7 changes: 7 additions & 0 deletions crates/wasmtime/src/runtime/component/store.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,13 @@ impl ComponentStoreData {

#[cfg(feature = "component-model-async")]
pub(crate) fn drop_fibers_and_futures(store: &mut dyn VMStore) {
// Skip cleanup if concurrency support is not enabled.
// This prevents panics when the component-model-async feature is compiled in
// but the store was created without concurrency support (concurrent_state is None).
if !store.concurrency_support() {
return;
}

let mut fibers = Vec::new();
let mut futures = Vec::new();
store
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