[by peter] do not generate final modifier for enums

plugins/groovy/rt/src/org/jetbrains/groovy/compiler/rt/GroovycRunner.java

@@ -16,7 +16,11 @@
 package org.jetbrains.groovy.compiler.rt;
 
 import groovy.lang.GroovyClassLoader;
-import org.codehaus.groovy.ast.*;
+import groovyjarjarasm.asm.Opcodes;
+import org.codehaus.groovy.ast.AnnotatedNode;
+import org.codehaus.groovy.ast.AnnotationNode;
+import org.codehaus.groovy.ast.ClassCodeVisitorSupport;
+import org.codehaus.groovy.ast.ClassNode;
 import org.codehaus.groovy.classgen.GeneratorContext;
 import org.codehaus.groovy.control.*;
 import org.codehaus.groovy.control.messages.WarningMessage;
@@ -418,6 +422,13 @@ public class GroovycRunner {
                   return source;
                 }
 
+                public void visitClass(ClassNode node) {
+                  if (node.isEnum()) {
+                    node.setModifiers(node.getModifiers() & ~Opcodes.ACC_FINAL);
+                  }
+                  super.visitClass(node);
+                }
+
                 @Override
                 public void visitAnnotations(AnnotatedNode node) {
                   List<AnnotationNode> annotations = node.getAnnotations();

plugins/groovy/test/org/jetbrains/plugins/groovy/compiler/GroovyCompilerTest.groovy

@@ -154,6 +154,12 @@ public abstract class GroovyCompilerTest extends GroovyCompilerTestCase {
     assertEmpty(make());
   }
 
+  public void testJavaDependsOnGroovyEnum() throws Throwable {
+    myFixture.addFileToProject("Foo.groovy", "enum Foo { FOO }")
+    myFixture.addClass("class Bar { Foo f; }")
+    assertEmpty(make())
+  }
+
   public void testDeleteTransitiveJavaClass() throws Throwable {
     myFixture.addClass("public interface IFoo { int foo(); }");
     myFixture.addClass("public class Foo implements IFoo {" +