8080641: JEP-JDK-8042880 : Implement new tests on Project Coin
Summary: A set of tests using t-w-r as variable in different positive and negative constructions
Reviewed-by: abuckley, darcy, jlahoda, sadayapalam
Contributed-by: sergei.pikalev@oracle.com

7196163: Project Coin: Allow effectively final variables to be used as resources in try-with-resources
Summary: Allowing final variables as operands to try-with-resources; also reviewed by Sergei Pikalev.
Reviewed-by: darcy, mcimadamore, vromero