wasm-11.js - mozsearch

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// |jit-test| test-also=--wasm-compiler=optimizing; skip-if: !wasmDebuggingEnabled()

// Test single-stepping where the TLS register can be evicted by a non-trivial

// function body.

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

g.parent = this;

g.eval(`

    var dbg = new Debugger(parent);

`);

var i = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary(`

    (module

        (func (export "f2")

            i64.const 0

            i64.const 0

            i32.const 0

            select

            drop

`)));

g.eval(`

    var calledOnStep = 0;

    dbg.onEnterFrame = frame => {

        if (frame.type === "wasmcall")

            frame.onStep = () => { calledOnStep++ }

};

`);

i.exports.f2();

assertEq(g.calledOnStep, 2);