Aart Bik
d9a9346c3f
Rationale: The representation mask should not be used to do the truncation, which is more subtle around the sign bit. With regression test. https://github.com/dart-lang/sdk/issues/38147 Change-Id: I9745f6d73f4761eb6210e0b60b2b0504994f5cbf Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/115607 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Aart Bik <ajcbik@google.com>
28 lines
641 B
Dart
Executable File
28 lines
641 B
Dart
Executable File
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// VMOptions=--deterministic --optimization_counter_threshold=10
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import "package:expect/expect.dart";
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import 'dart:typed_data';
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// Found by DartFuzzing: truncating shift
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// https://github.com/dart-lang/sdk/issues/38147
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int bar(int x, int y) {
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return (x << y) & 0xffff;
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}
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@pragma("vm:never-inline")
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int foo() {
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return bar(-61, 12);
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}
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main() {
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for (int i = 0; i < 20; i++) {
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Expect.equals(12288, foo());
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}
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}
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