Bug 290838 – [JSC]less than operator should call valueOf in JIT compiler

• Component: New Bugs
• Status: RESOLVED FIXED

[GuY]

tested in the latest main branch: 678e1944c13ad5b3409988175a1f340118b35e94 (HEAD -> main)


poc:
let count = 0
class A {
    valueOf() {
        count++
    }
}
const a = new A();
function test() {
    a < a;
}
for (let i = 0; i < 100; i++) {
    test();
}
print(count)


run argument:
./WebKitBuild/JSCOnly/Debug/bin/jsc --useConcurrentJIT=0 --forceWeakRandomSeed=1 --jitPolicyScale=0.001 test2.js

expected output:
200

actual output:
2

[Radar WebKit Bug Importer]

<rdar://problem/148813062>

[Brenden Forward]

Pull request: https://github.com/webkit/webkit/pull/45506

[EWS]

Committed 295032@main (e936f3ef6404): <https://commits.webkit.org/295032@main>

Reviewed commits have been landed. Closing PR #45506 and removing active labels.