Ryan Macnak
580e5731d6
Improve error for failure to reuse instructions. Change-Id: I38b30a0da508f686d73dffebbf5893d6c939f19a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/95940 Reviewed-by: Siva Annamalai <asiva@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
46 lines
1.2 KiB
Dart
46 lines
1.2 KiB
Dart
// 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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import "dart:async";
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import "dart:io";
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import "package:path/path.dart" as p;
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import "snapshot_test_helper.dart";
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int fib(int n) {
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if (n <= 1) return 1;
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return fib(n - 1) + fib(n - 2);
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}
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Future<void> main(List<String> args) async {
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if (args.contains("--child")) {
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print(fib(35));
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return;
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}
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if (!Platform.script.toString().endsWith(".dart")) {
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print("This test must run from source");
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return;
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}
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await withTempDir((String tmp) async {
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final String tracePath = p.join(tmp, "compilation_trace.txt");
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final result1 = await runDart("generate compilation trace", [
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"--save_compilation_trace=$tracePath",
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Platform.script.toFilePath(),
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"--child",
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]);
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expectOutput("14930352", result1);
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final result2 = await runDart("use compilation trace", [
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"--load_compilation_trace=$tracePath",
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Platform.script.toFilePath(),
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"--child",
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]);
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expectOutput("14930352", result2);
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});
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}
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