8020843: javac crashes on accessibility check with method reference with typevar receiver
Summary: method reference overload check doesn't walk through type-variable receivers
Reviewed-by: jjg
1 TargetType16.java:23:9: compiler.err.ref.ambiguous: m, kindname.method, m(TargetType16.SAM1), TargetType16, kindname.method, <T>m(TargetType16.SAM2<T>), TargetType16