node/deps/v8/test/mjsunit/deopt-minus-zero.js

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// Flags: --allow-natives-syntax --expose-gc

/**
 * The possible optimization states of a function. Must be in sync with the
 * return values of Runtime_GetOptimizationStatus() in runtime.cc!
 */
var OptimizationState = {
    YES: 1,
    NO: 2,
    ALWAYS: 3,
    NEVER: 4
};

function mul (a, b) {
  return a * b;
}

mul(-1, -1);
mul(0x80000001|0, -1);
mul(0x80000001|0, -1);
%OptimizeFunctionOnNextCall(mul);
mul(0, -1);
%OptimizeFunctionOnNextCall(mul);
mul(0, -1);

var raw_optimized = %GetOptimizationStatus(mul);
assertFalse(raw_optimized == OptimizationState.NO);
gc();