[9] RFR 8149740: NPEs when executing some HotSpotConstantReflectionProvider with null args

Konstantin Shefov konstantin.shefov at oracle.com
Fri Feb 12 13:20:30 UTC 2016


Please review a bug fix for 
jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider methods.

A NullPointerException is thrown, when one calls some methods of this 
calss with the argument equal to null.

1) readArrayLength(null);
2) readArrayElement(null, someIndex);
3) boxPrimitive(null);
4) unboxPrimitive(null);

According to javadoc of these methods, NPE should not be thrown in such 

Additional check should be added for null as the first argument.

Bug: https://bugs.openjdk.java.net/browse/JDK-8149740
Webrev: http://cr.openjdk.java.net/~kshefov/8149740/webrev.00/

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