Throw IdentityException in monitorenter #19774
Merged
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This issue also exposed an issue with recent changes to J9_IS_CLASSFILE_VALUETYPE and J9ROMCLASS_IS_VALUE. Adding IdentityException to the test cases forced the tests to compile as 67.65535 instead of 67.0 and caused ValueTypeTest.testIsValueClassOnInterface to fail. Classes with ACC_IDENTITY are not considered value classes but they also cannot have ACC_IDENTITY flag set.
Fixes: #19464