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https://issues.apache.org/jira/browse/GROOVY-10227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Milles updated GROOVY-10227:
---------------------------------
Fix Version/s: 3.0.11
> STC computes an imprecise LUB when involving two parameterized types
> implementing the same interface
> ----------------------------------------------------------------------------------------------------
>
> Key: GROOVY-10227
> URL: https://issues.apache.org/jira/browse/GROOVY-10227
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Reporter: Thodoris Sotiropoulos
> Assignee: Eric Milles
> Priority: Major
> Fix For: 5.0.0-alpha-1, 3.0.11, 4.0.3
>
>
> I have the following program
>
> {code:java}
> class A {
> void foo(I x) {}
> }
> interface I {}
> interface I2 extends I {}
> class B<T> implements I2 {}
> class C<T> implements I {}
> class Main {
> public static void main(String[] args) {
> (new A()).foo((true) ? new B<String>() : new C<String>());
> }
> }
> {code}
> h3. Actual behaviour
> {code:java}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup
> failed:
> test.groovy: 12: [Static type checking] - Cannot find matching method
> A#foo(java.lang.Object). Please check if the declared type is correct and if
> the method exists.
> @ line 12, column 5.
> (new A()).foo((true) ? new B<String>() : new C<String>());
> ^1 error
> {code}
> h3. Expected behaviour
> Compile successfully
>
> Tested against master
>
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