KT-3307 Compiler exception trying to call Java method

#KT-3307 Fixed

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/resolver/RawTypesCheck.java

@@ -95,7 +95,8 @@ public class RawTypesCheck {
         }
 
         for (HierarchicalMethodSignature superSignature : method.getHierarchicalMethodSignature().getSuperSignatures()) {
-            if (superSignature.isRaw() || hasRawTypesInSignature(superSignature.getMethod())) {
+            PsiMethod superMethod = superSignature.getMethod();
+            if (superSignature.isRaw() || typeParameterIsErased(method, superMethod) || hasRawTypesInSignature(superMethod)) {
                 return true;
             }
         }
@@ -103,6 +104,14 @@ public class RawTypesCheck {
         return false;
     }
 
+    private static boolean typeParameterIsErased(@NotNull PsiMethod a, @NotNull PsiMethod b) {
+        // Java allows you to write
+        //   <T extends Foo> T foo(), in the superclass and then
+        //   Foo foo(), in the subclass
+        // this is a valid Java override, but in fact it is an erasure
+        return a.getTypeParameters().length != b.getTypeParameters().length;
+    }
+
     private RawTypesCheck() {
     }
 }