RFR: 8282573: ByteBufferTest.java: replace endless recursion with RuntimeException in void ck(double x, double y) [v2]

[Emanuel Peter]

On Thu, 3 Mar 2022 14:26:41 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

>> Emanuel Peter has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   removed unnecessary conditions
>
> test/hotspot/jtreg/compiler/intrinsics/unsafe/ByteBufferTest.java line 219:
> 
>> 217: 
>> 218:     void ck(double x, double y) {
>> 219:         if (x == x && y == y && x != y) {
> 
> What are the `x == x` and `y == y` checks good for?

I removed it. @PaulSandoz agreed that this method was very suspect. I should try removing it. There is an off chance it could create some NaN issues on odd platforms.

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PR: https://git.openjdk.java.net/jdk/pull/7674