[Webkit-unassigned] [Bug 198189] New: DFG::OSREntry should perform arity check
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu May 23 11:27:57 PDT 2019
https://bugs.webkit.org/show_bug.cgi?id=198189
Bug ID: 198189
Summary: DFG::OSREntry should perform arity check
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: JavaScriptCore
Assignee: webkit-unassigned at lists.webkit.org
Reporter: tzagallo at apple.com
The following code compiles 7 times, but never tiers up to DFG because of the arity check:
function foo(x, y) {
for (var i = 0; i < 1e8; i++) {
x[y] += i;
}
}
foo({})
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