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// an Ion call to a builtin Wasm instance method.
gczeal(2, 1); // Collect on every allocation.
let exports = wasmEvalText(
`(module
(table $tab (export "tab") 5 externref)
(elem declare funcref (ref.func $g))
(func $g)
(func $f (export "f") (param externref) (result)
(ref.func $g) ;; force a collection via allocation in instance call
(ref.is_null)
(if
(then)
(else (i32.const 0) (local.get 0) (table.set $tab)))
)
)`,
{}
).exports;
exports.f("foo");