ambiguous method calls: conflict resolver, tests

(IDEA-24768)
warn in jdk7 about static methods classes with same erased signature

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting7/ambiguousIDEA24768/pck/AmbiguousMethodCall.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2000-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package pck;
+
+import java.util.ArrayList;
+import java.util.List;
+
+class IdeaBug {
+
+  public static void main(String[] args) {
+    ClassA.copyOf(new ArrayList<String>());
+  }
+
+  private static class ClassA<E> extends ClassB<E> {
+
+    <error descr="'copyOf(Iterable<? extends E>)' in 'pck.IdeaBug.ClassA' clashes with 'copyOf(Iterable<? extends E>)' in 'pck.IdeaBug.ClassB'; both methods have same erasure, yet neither hides the other">public static <E extends Comparable<? super E>> ClassA<E> copyOf(
+        Iterable<? extends E> elements)</error> {
+      System.out.println("Hello from ClassA");
+      return null;
+    }
+  }
+
+  private static class ClassB<E> {
+
+    public static <E> ClassA<E> copyOf(Iterable<? extends E> elements) {
+      System.out.println("Hello from ClassB");
+      return null;
+    }
+  }
+}