Aart Bik
622747502e
Rationale: Both the interpreter and compiler had some logic on when fields could be unboxed. Rather than duplicating this logic, this CL uses the same methods to get a more consistent view of unboxing. Note that this add a slight overhead to the interpreter, but only a slight. We could avoid this by duplicating the logic to enforce consistency, but this has the danger of getting similar issues in the future. https://github.com/dart-lang/sdk/issues/37821 Change-Id: Icf0c1ad518d75c63e9da72e1f75eaf1cf903587f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/115301 Reviewed-by: Alexander Markov <alexmarkov@google.com> Reviewed-by: Ben Konyi <bkonyi@google.com> Commit-Queue: Aart Bik <ajcbik@google.com>
42 lines
879 B
Dart
Executable File
42 lines
879 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
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import "package:expect/expect.dart";
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import 'dart:typed_data';
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// Found by DartFuzzing: inconsistent view of unboxing
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// https://github.com/dart-lang/sdk/issues/37821
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double var5 = 0.5521203015696288;
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class X0 {
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double fld0_1 = 0.44794902547497595;
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void run() {
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for (int loc1 = 0; loc1 < 11; loc1++) {
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var5 = fld0_1;
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}
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fld0_1 -= 20;
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}
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}
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class X1 extends X0 {
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void run() {
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super.run();
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}
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}
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@pragma("vm:never-inline")
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void checkMe(double value) {
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Expect.approxEquals(0.44794902547497595, value);
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}
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main() {
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Expect.approxEquals(0.5521203015696288, var5);
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new X1().run();
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checkMe(var5);
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}
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