[Webkit-unassigned] [Bug 211881] JavascriptCore crashed cause of Inappropriate optimization

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu May 14 18:15:13 PDT 2020


https://bugs.webkit.org/show_bug.cgi?id=211881

--- Comment #3 from szwgg <5n1p3r0010 at gmail.com> ---
here is some other pocs:

POC1:

function main() {
const v0 = [];
function v1(v2,v3) {
    const v5 = v0.__proto__;
    for (const v6 of v5) {
    }
    const v7 = [13.37,13.37];
    const v9 = [1337,v7,1337,v7];
    const v10 = v9.shift();
    let v12 = 0;
    while (v12 < v10) {
    }
}
const v13 = v1();
}
main();

POC2:

function main() {
const v1 = [13.37,13.37];
function v2(v3,v4,v5,v6,v7) {
    'use strict'
    const v8 = v1.__proto__;
    for (const v9 of v8) {
    }
    const v10 = v2();
}
const v11 = v2();
}
main();

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