On 11/24/17 6:16 AM, Rahul Raghavan wrote:
Hi,

Please review the following fix proposal for 8191813.

webrev - http://cr.openjdk.java.net/~rraghavan/8191813/webrev.00/

test/hotspot/jtreg/compiler/runtime/SpreadNullArg.java
    No comments.

So this style of call:

    mh_spreadInvoker.invokeExact(mh_spread_target, (Object[]) null);

was changed from throwing IllegalArgumentException due to the "null"
parameter to throwing NullPointerException. You've updated the test
cleanly to switch from one exception to the other.

Thumbs up! I believe this patch qualifies as trivial and does not
need to wait for 24 hours. I leave it up to you whether you wait
for a Compiler team member review also.

Dan




jbs - https://bugs.openjdk.java.net/browse/JDK-8191813

-- reported issue - After the latest sync from jdk/jdk the test SpreadNullArg started to fail in tier1 on all platforms.

-- Found this SpreadNullArg.java failure Caused after JDK-8157246 fix.
jbs - https://bugs.openjdk.java.net/browse/JDK-8157246.
'MHs.arrayLength, arrayElementGetter/Setter, arrayConstructor need to specify invocation-time behavior'.
changeset - http://hg.openjdk.java.net/jdk/jdk/rev/76519338df34

- So now with 8157246 fix, if method handle is invoked with a null array reference, NullPointerException will be thrown. (Not IllegalArgumentException)

- So above fix proposal in SpreadNullArg.java to expect NullPointerException after 8157246 changes.


Thanks,
Rahul

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