Paul King created GROOVY-11560:
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Summary: No compiler error for class that implements interfaces
with duplicated default methods (improvements)
Key: GROOVY-11560
URL: https://issues.apache.org/jira/browse/GROOVY-11560
Project: Groovy
Issue Type: Bug
Reporter: Eric Milles
Assignee: Daniel Sun
Fix For: 5.0.0-alpha-12
Consider the following:
{code:java}
package p;
public interface A {
default void m() {}
}
public interface B {
default void m() {}
}
{code}
{code:groovy}
class C implements p.A, p.B {
void test() {
m()
}
}
{code}
{{groovyc}} does not detect that {{m()}} must be overridden to resolve the
conflict. {{javac}} does produce an error, but it is still possible to import
the interfaces from libraries and not trigger joint compilation.
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