ef97aa7cc2
This reverts commit 289b25765a.
Reason for revert: Fails gc-stress: https://ci.chromium.org/p/v8/builders/ci/V8%20Mac64%20GC%20Stress/7143
Original change's description:
> [Test] Update tests to work with lazy feedback allocation.
>
> This adds either %EnsureFeedbackVectorForFunction or
> %PrepareFunctionForOptimization to allocate feedback vectors when testing
> optimization, allocation sites, IC transitions etc.,
>
> Bug: v8:8394
> Change-Id: I6ad1b6d460e4abda693b326cddb87754e080a0a1
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1593303
> Commit-Queue: Mythri Alle <mythria@chromium.org>
> Auto-Submit: Mythri Alle <mythria@chromium.org>
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#61212}
TBR=rmcilroy@chromium.org,mythria@chromium.org
Change-Id: I2a78bfd3ee6102c1d2062957970f425308050d3d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:8394
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1594565
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61213}
65 lines
2.7 KiB
JavaScript
65 lines
2.7 KiB
JavaScript
// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --allow-natives-syntax --opt
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// The type feedback oracle had a bug when retrieving the map from an IC
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// starting with a negative lookup.
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// Create a holder in fast mode.
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var holder = Object.create({}, {
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holderMethod: {value: function() {}}
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});
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assertTrue(%HasFastProperties(holder));
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// We assume dict usage for null prototype.
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var holder = Object.create(null, {
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holderMethod: {value: function() {}}
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});
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assertFalse(%HasFastProperties(holder));
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// Create a receiver into dictionary mode.
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var receiver = Object.create(holder, {
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killMe: {value: 0, configurable: true},
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keepMe: {value: 0, configurable: true}
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});
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delete receiver.killMe;
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assertFalse(%HasFastProperties(receiver));
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// The actual function to test, triggering the retrieval of the wrong map.
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function callConstantFunctionOnPrototype(obj) {
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obj.holderMethod();
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}
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callConstantFunctionOnPrototype(receiver);
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callConstantFunctionOnPrototype(receiver);
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%OptimizeFunctionOnNextCall(callConstantFunctionOnPrototype);
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callConstantFunctionOnPrototype(receiver);
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// Make sure that the function is still optimized.
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assertOptimized(callConstantFunctionOnPrototype);
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