[ https://issues.apache.org/jira/browse/GROOVY-11189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eric Milles reassigned GROOVY-11189: ------------------------------------ Assignee: Eric Milles > STC LUB of List and Set is not Collection for Java 21 > ----------------------------------------------------- > > Key: GROOVY-11189 > URL: https://issues.apache.org/jira/browse/GROOVY-11189 > Project: Groovy > Issue Type: Bug > Components: Static Type Checker > Affects Versions: 5.0.0-alpha-2, 4.0.15 > Reporter: Eric Milles > Assignee: Eric Milles > Priority: Major > > The new {{SequencedCollection}} interface introduced in Java 21 has altered > the type inference results for mixed use of {{List}} and {{Set}}. Consider > the following: > {code:groovy} > def x > x = [] as List > if (predicate()) { > x = [] as Set > } > x > {code} > Under STC, the inferred type of the last occurrence of "x" has changed from > {{Collection}} to {{Object}}. -- This message was sent by Atlassian Jira (v8.20.10#820010)