ignore type substitution on override (IDEABKL-6365)

java/java-tests/testData/codeInsight/overrideImplement/afterTypeParam.java

@@ -0,0 +1,9 @@
+interface Function<S> {
+  void fun(Function<S> function);
+}
+
+class Bar extends Function<String>{
+    public void fun(Function<String> function) {
+        <selection>//To change body of implemented methods use File | Settings | File Templates.</selection>
+    }
+}

java/java-tests/testData/codeInsight/overrideImplement/beforeTypeParam.java

@@ -0,0 +1,7 @@
+interface Function<S> {
+  void fun(Function<S> function);
+}
+
+class Bar extends Function<String>{
+  <caret>
+}

java/java-tests/testSrc/com/intellij/codeInsight/OverrideImplementTest.java

@@ -35,6 +35,7 @@ public class OverrideImplementTest extends LightCodeInsightTestCase {
   public void testSubstitutionInTypeParametersList() throws Exception { doTest(false); }
   public void testTestMissed() throws Exception { doTest(false); }
   public void testWildcard() throws Exception { doTest(false); }
+  public void testTypeParam() throws Exception { doTest(false); }
 
   public void testLongFinalParameterList() throws Exception {
     CodeStyleSettings codeStyleSettings = CodeStyleSettingsManager.getSettings(getProject()).clone();