generics: distinguish same name type params for overloaded methods (IDEA-94084)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/DifferentTypeParamsInOverloadedMethods.java

@@ -0,0 +1,28 @@
+import java.util.*;
+class Nav {
+    interface Sized {}
+    interface Stream<<warning descr="Type parameter 'T' is never used">T</warning>> { }
+
+    private static<U, T extends Sized & Iterable<U>> Stream<U> stream(T entity, int flags) {
+        System.out.println(entity);
+        System.out.println(flags);
+        return null;
+    }
+
+    private static<U, T extends Iterable<U>> Stream<U> <warning descr="Private method 'stream(T, int)' is never used">stream</warning>(T entity, int flags) {
+        System.out.println(entity);
+        System.out.println(flags);
+        return null;
+    }
+
+    static class A<T> implements Iterable<T>, Sized {
+        public Iterator<T> iterator() {
+            return null;
+        }
+    }
+
+    public static void main(String[] args) {
+        Stream<String> aStream = stream(new A<String>(), 0);
+        System.out.println(aStream);
+    }
+}