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https://issues.apache.org/jira/browse/GROOVY-10309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-10309.
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> Improper type variable substitution when involving type parameters with
> conficting names
> ----------------------------------------------------------------------------------------
>
> Key: GROOVY-10309
> URL: https://issues.apache.org/jira/browse/GROOVY-10309
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Reporter: Thodoris Sotiropoulos
> Assignee: Eric Milles
> Priority: Major
> Fix For: 4.0.0-beta-2
>
>
> I have the following code
> {code:java}
> class A<T, Y> {
> T f1;
> Y f2;
> A(T f1, Y f2) {
> this.f1 = f1;
> this.f2 = f2;
> }
> }
> class C<T, X> {
> void test() {
> A<X, T> x = new A<X, T>((X) null, (T) null);
> }
> }
> {code}
> h3. Actual behaviour
> {code}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup
> failed:
> test.groovy: 23: [Static type checking] - Cannot call A#<init>(X, T) with
> arguments [X, T]
> @ line 23, column 17.
> A<X, T> x = new A<X, T>((X) null, (T) null);
> ^
> 1 error
> {code}
> h3. Expected behaviour
> Compile successfully
> Tested against master
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