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8274835: Remove unnecessary castings in java.base

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Reviewed-by: mullan, naoto, lancea, bpb
This commit is contained in:
Andrey Turbanov 2021-11-12 16:30:56 +00:00 • committed by Daniel Fuchs
parent 3b2585c02b
commit 5a2452c80e
15 changed files with 32 additions and 35 deletions
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4
src/java.base/share/classes/java/lang/Enum.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2003, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -193,7 +193,7 @@ public abstract class Enum<E extends Enum<E>>
* method is the order in which the constants are declared.
*/
public final int compareTo(E o) {
Enum<?> other = (Enum<?>)o;
Enum<?> other = o;
Enum<E> self = this;
if (self.getClass() != other.getClass() && // optimization
self.getDeclaringClass() != other.getDeclaringClass())