32 lines
637 B
JavaScript
32 lines
637 B
JavaScript
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// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --expose-gc --min-semi-space-size=32
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// We need to set --min-semi-space-size to enable allocation site pretenuring.
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function foo(i) {
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with({}) {};
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x = {};
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x.a = 0.23;
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x.b = 0.3;
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return x;
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}
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var all = [];
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function step() {
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for (var i = 0; i < 100; i++) {
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var z = foo(i);
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// Write unboxed double in object slack.
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z.c = 0.1 + z.b
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all.push(z);
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}
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gc(1);
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gc(1);
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}
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step();
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// Now foo will allocate objects in old space.
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step();
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