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24b33dae89
Change-Id: I90bc5ff6aae8998deb3cc28b1134c60058706f01 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150185 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Srujan Gaddam <srujzs@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com>
35 lines
777 B
Dart
35 lines
777 B
Dart
// Copyright (c) 2015, 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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// Dart test program checking that optimizations are not too aggressive and
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// incorrect:
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// - (a * (1.0 / b))
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//
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// VMOptions=--optimization-counter-threshold=8 --no-use-osr --no-background-compilation
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import "package:expect/expect.dart";
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var xx = 23.0;
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main() {
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xx = 1e-6;
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scaleIt(1e-310);
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Expect.isTrue(xx.isInfinite);
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for (int i = 0; i < 10; i++) {
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xx = 24.0;
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scaleIt(6.0);
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Expect.equals(4.0, xx);
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}
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xx = 1e-6;
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scaleIt(1e-310);
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Expect.isTrue(xx.isInfinite);
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}
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scaleIt(double b) {
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scale(1.0 / b);
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}
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scale(a) {
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xx *= a;
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}
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