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8200478: For boxing conversion javac uses Long.valueOf which does not guarantee caching according to its javadoc

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Reviewed-by: bpb
This commit is contained in:
Joe Darcy 2018-04-25 22:12:06 -07:00
parent 1515d70930
commit 15ef60b350
2 changed files with 5 additions and 7 deletions
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6
src/java.base/share/classes/java/lang/Long.java
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@ -1164,10 +1164,8 @@ public final class Long extends Number implements Comparable<Long> {
* significantly better space and time performance by caching
* frequently requested values.
*
* Note that unlike the {@linkplain Integer#valueOf(int)
* corresponding method} in the {@code Integer} class, this method
* is <em>not</em> required to cache values within a particular
* range.
* This method will always cache values in the range -128 to 127,
* inclusive, and may cache other values outside of this range.
*
* @param l a long value.
* @return a {@code Long} instance representing {@code l}.