8065804: JEP 171: Clarifications/corrections for fence intrinsics
Reviewed-by: dholmes, shade, dl, psandoz
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/**
* JDK-8041995: optimistic object property maps were only updated if the outermost program
* point in a property setter failed, not an inner one, which is wrong.
*
* @test
* @run
*/
function xyzzy() {
return 17.4711;
}
var obj = {
z: -xyzzy()
};
print(obj.z);
function phlug() {
var obj = {
4: -Infinity,
5: Infinity,
length: 5 - Math.pow(2, 32)
};
return Array.prototype.lastIndexOf.call(obj, -Infinity) === 4;
}
var d = new Date;
print(phlug());
var d2 = new Date - d;
print(d2 < 5000); // if this takes more than five seconds we have read the double length as an int
function wrong() {
var obj = {
length1: 5 - Math.pow(2, 32),
length2: 4 - Math.pow(2, 32),
length3: 3 - Math.pow(2, 32),
length4: 2 - Math.pow(2, 32),
length5: 1 - Math.pow(2, 32),
length6: Math.pow(2, 32)
};
for (var i in obj) {
print(obj[i]);
}
}
wrong();