db49e2238c
When the serializer encounters a JSConstruct, it now serializes the initial map of the new_target to enable further opitmizations in JSNativeContextSpecialization. Add regression tests as well. Bug: v8:7790 Change-Id: Ifab2b58c64a341744e833ed063e9695d74a5cdce Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1900457 Commit-Queue: Maya Lekova <mslekova@chromium.org> Reviewed-by: Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#64886}
34 lines
632 B
JavaScript
34 lines
632 B
JavaScript
// Copyright 2019 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Flags: --allow-natives-syntax --opt
|
|
|
|
class C extends Object {
|
|
bla() {}
|
|
}
|
|
|
|
const bla = C.prototype.bla;
|
|
|
|
function bar(c) {
|
|
%TurbofanStaticAssert(c.bla === bla);
|
|
}
|
|
|
|
function foo() {
|
|
var c = new C();
|
|
bar(c);
|
|
}
|
|
%PrepareFunctionForOptimization(foo);
|
|
%PrepareFunctionForOptimization(bar);
|
|
%PrepareFunctionForOptimization(C);
|
|
bar({});
|
|
bar({a:1});
|
|
bar({aa:1});
|
|
bar({aaa:1});
|
|
bar({aaaa:1});
|
|
bar({aaaaa:1});
|
|
foo();
|
|
foo();
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
foo();
|