Files
sdk/pkg/front_end/testcases/patterns/issue51260.dart
T
Johnni Winther 0245a4f9aa [cfe] Add AccessKey for caching
The changes the way uniqueness of expressions used to compute cacheable
values is modeled. Instead of using the receiver type to determine when
matching expressions can be reused, an AccessKey, that includes both
the receiver type (through promotions) and dependencies, is used.

Closes #51260

Change-Id: I153769beb654e10a9ac2d0a8bd12c60bb2bd3fe0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/282026
Commit-Queue: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Chloe Stefantsova <cstefantsova@google.com>
2023-02-09 14:56:38 +00:00

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Dart

// Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
foo(dynamic x) {
switch (x) {
case [int a]:
case {'a': int a}:
return a;
default:
return 0;
}
}