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src/java.base/share/classes/java/util/Collections.java
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8197893: Mistaken type check in CheckedEntrySet.toArray
Reviewed-by: psandoz
@@ -3769,13 +3769,13 @@
/*
* Ensure that we don't get an ArrayStoreException even if
* s.toArray returns an array of something other than Object
*/
- Object[] dest = (CheckedEntry.class.isInstance(
- source.getClass().getComponentType()) ? source :
- new Object[source.length]);
+ Object[] dest = (source.getClass() == Object[].class)
+ ? source
+ : new Object[source.length];
for (int i = 0; i < source.length; i++)
dest[i] = checkedEntry((Map.Entry<K,V>)source[i],
valueType);
return dest;
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