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function f(x) {
var y, z;
arguments; // Force creation of mapped arguments, so modifying |x| writes to the arguments object.
Math; // Access a global variable to create a resume point.
z = x + 1; // Was executed twice because only the resume point for 'Math' was present before the fix.
x = z; // Modifying |x| writes into the arguments object. We missed to create a resume point here.
y = 2 * x; // Triggers a bailout when overflowing int32 boundaries.
return [x, y];
}
var x = [0, 0, 0x3FFFFFFF];
for (var j = 0; j < 3; ++j) {
var value = x[j];
var expected = [value + 1, (value + 1) * 2];
var actual = f(value);
assertEq(actual[0], expected[0]);
assertEq(actual[1], expected[1]);
}