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test/tools/javac/defaultMethods/Neg04.java@f559ef7568ce

test/tools/javac/defaultMethods/Neg04.java

Mon, 01 Jul 2013 14:57:03 +0100

author

mcimadamore

date

Mon, 01 Jul 2013 14:57:03 +0100

changeset 1875

f559ef7568ce

parent 1415

01c9d4161882

child 2020

bb7271e64ef6

permissions

-rw-r--r--

7034798: Ambiguity error for abstract method call is too eager
Summary: Javac should wait and see if ambiguous methods can be reconciled at the end of an overload resolution round
Reviewed-by: jjg, vromero

 /*

  * @test /nodynamiccopyright/

  * @summary check that default method must have most specific return type

  * @compile/fail/ref=Neg04.out -XDrawDiagnostics Neg04.java

  */

 class Neg04 {

     interface IA1 { Integer m(); }

     interface IA2 extends IA1 { default Number m() { return Neg04.m(this); } } //error

     abstract class C implements IA1, IA2 {}

     static int m(IA2 a) { return 0; }

 }