Thu, 06 Jun 2013 15:33:40 +0100
8008627: Compiler mishandles three-way return-type-substitutability
Summary: Compiler should not enforce an order in how ambiguous methods should be resolved
Reviewed-by: jjg, vromero
1 /*
2 * @test /nodynamiccopyright/
3 * @bug 8003280
4 * @summary Add lambda tests
5 * complex case of cyclic type inference (lambda returned where inference var expected)
6 * @compile/fail/ref=TargetType27.out -XDrawDiagnostics TargetType27.java
7 * @compile/fail/ref=TargetType27.out -XDrawDiagnostics -XDcomplexinference TargetType27.java
8 */
10 class TargetType27 {
11 interface F<X, Y> {
12 Y f(X a);
13 }
15 <A, R> F<A, R> m(F<A, R> f) { return null; }
17 void test() {
18 m((String s1) -> (String s2) -> new Integer(1));
19 }
20 }