show error if override generics method in raw inheritor (comment IDEA-19718)

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

@@ -0,0 +1,9 @@
+import java.util.List;
+
+<error descr="'method(List<String>)' in 'Implementation' clashes with 'method(List<String>)' in 'IfcWithGenericMethod'; both methods have same erasure, yet neither overrides the other">class Implementation implements IfcWithGenericMethod</error> {
+    public void method(final List<String> strings) {}
+}
+
+interface IfcWithGenericMethod<T> {
+    void method(List<String> strings);
+}