exact method refs most specific: void compatibility

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/mostSpecific/VoidConflict.java

@@ -0,0 +1,46 @@
+class Test {
+
+  interface I { void i_bar(); }
+  interface I1<T> { T i1_bar(); }
+
+  private void m(I i) {System.out.println(i);}
+  private void <warning descr="Private method 'm(Test.I1<java.lang.String>)' is never used">m</warning>(I1<String> i1) {System.out.println(i1);}
+
+  void test() {
+    m(Test::foo);
+  }
+
+  public static int foo() {
+    return 0;
+  }
+}
+
+class Test1 {
+
+  interface I { void i_bar(); }
+  interface I1<T> { T i1_bar(); }
+
+  void m(I i) { System.out.println(i);}
+  void m(I1<String> i1) { System.out.println(i1);}
+
+  void test() {
+    m(Test1::foo);
+  }
+
+  public static String foo() {return "";}
+}
+
+class Test2 {
+
+  interface I { void i_bar(); }
+  interface I1<T> { T i1_bar(); }
+
+  void m(I i) { System.out.println(i);}
+  void m(I1<String> i1) { System.out.println(i1);}
+
+  void test() {
+    m(Test2::foo);
+  }
+
+  public static void foo() {}
+}