debug-cont-frame-onstep-gc.js

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// |jit-test| skip-if: !wasmJSPromiseIntegrationEnabled()

// When a Debugger.Frame for a wasm continuation frame has an onStep handler

// and the wasm instance is collected in the same GC as the ContObject,

// frame termination must not consult GC mark state during finalization.

var g = newGlobal({newCompartment: true});

var dbg = new Debugger(g);

dbg.onEnterFrame = function(f) {

  if (f.type === "wasmcall") {

    f.onStep = function() {};

};

g.eval(`

  var never = new WebAssembly.Suspending(() => new Promise(() => {}));

  var inst = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary(\`(module

    (import "" "susp" (func $susp))

    (func (export "outer") (call $susp))

  )\`)), {"":{susp: never}});

  WebAssembly.promising(inst.exports.outer)();

  inst = null; never = null;

`);

dbg.onEnterFrame = undefined;

gc(); gc(); gc();

print("ok");