1 /*

     2  * @test /nodynamiccopyright/

     3  * @bug 8009131

     4  * @summary Overload: javac should discard methods that lead to errors in lambdas with implicit parameter types

     5  * @compile/fail/ref=TargetType66.out -XDrawDiagnostics TargetType66.java

     6  */

     7 class TargetType66 {

     8     interface SAM1 {

     9         void m(String s);

    10     }

    11 

    12     interface SAM2 {

    13         void m(Integer s);

    14     }

    15 

    16     void g(SAM1 s1) { }

    17     void g(SAM2 s2) { }

    18 

    19     void test() {

    20         g(x->{ String s = x; }); //g(SAM1)

    21         g(x->{ Integer i = x; }); //g(SAM2)

    22         g(x->{ Object o = x; }); //ambiguous

    23         g(x->{ Character c = x; }); //error: inapplicable methods

    24         g(x->{ Character c = ""; }); //error: incompatible types

    25     }

    26 }