Added tests for compiling Java against TraitImpl and extension members.

compiler/testData/compileJavaAgainstKotlin/method/Extensions.java

@@ -0,0 +1,9 @@
+package test;
+
+class GenericArray {
+    {
+        TestPackage.noParam("");
+
+        TestPackage.param("", "");
+    }
+}

compiler/testData/compileJavaAgainstKotlin/method/Extensions.kt

@@ -0,0 +1,7 @@
+package test
+
+fun String.noParam() {
+}
+
+fun String.param(p: String) {
+}

compiler/testData/compileJavaAgainstKotlin/method/TraitImpl.java

@@ -0,0 +1,11 @@
+package test;
+
+import java.util.ArrayList;
+
+abstract class TraitImpl implements Trait {
+    {
+        Trait$$TImpl.simple(this);
+
+        Trait$$TImpl.generic(this, new ArrayList<String>());
+    }
+}

compiler/testData/compileJavaAgainstKotlin/method/TraitImpl.kt

@@ -0,0 +1,9 @@
+package test
+
+trait Trait {
+    fun simple() {
+    }
+
+    fun generic(list: List<String>) {
+    }
+}