Thodoris Sotiropoulos created GROOVY-10227:
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Summary: 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
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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