RFR: 8240528: OopMap cleanup

Claes Redestad claes.redestad at oracle.com
Wed Mar 4 15:12:28 UTC 2020

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Hi,

found some dead code in and around OopMap, including a number of fields
exported via vmStructs that are unused since JDK-8064458.

Also simplified some manual memory management by using a GrowableArray
instead.

Bug:    https://bugs.openjdk.java.net/browse/JDK-8240528
Webrev: http://cr.openjdk.java.net/~redestad/8240528/open.00

Testing: tier1-2

Thanks!

/Claes

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