Minor bugfixes

core/src/main/java/org/teavm/dependency/DependencyChecker.java

@@ -312,9 +312,6 @@ public class DependencyChecker implements DependencyInfo {
     private Set<MethodReference> methodsAddedByRoot = new HashSet<>();
 
     public MethodDependency linkMethod(MethodReference methodRef, CallLocation callLocation) {
-        if (completing && getMethod(methodRef) == null) {
-            throw new IllegalStateException("Can't submit class during completion phase");
-        }
         if (methodRef == null) {
             throw new IllegalArgumentException();
         }
@@ -322,6 +319,10 @@ public class DependencyChecker implements DependencyInfo {
         if (methodReader != null) {
             methodRef = methodReader.getReference();
         }
+
+        if (completing && getMethod(methodRef) == null) {
+            throw new IllegalStateException("Can't submit class during completion phase");
+        }
         callGraph.getNode(methodRef);
         boolean added = true;
         if (callLocation != null && callLocation.getMethod() != null) {

core/src/main/java/org/teavm/javascript/Renderer.java

@@ -196,7 +196,9 @@ public class Renderer implements ExprVisitor, StatementVisitor, RenderingContext
 
     @Override
     public Properties getProperties() {
-        return new Properties(properties);
+        Properties properties = new Properties();
+        properties.putAll(this.properties);
+        return properties;
     }
 
     public DebugInformationEmitter getDebugEmitter() {

jso/apis/src/main/java/org/teavm/jso/browser/Location.java

@@ -68,6 +68,7 @@ public interface Location extends JSObject {
     @JSProperty
     String getHash();
 
+    @JSProperty
     void setHash(String hash);
 
     void assign(String url);

jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLElement.java

@@ -34,7 +34,6 @@ import org.teavm.jso.dom.xml.NodeList;
 public interface HTMLElement extends Element, ElementCSSInlineStyle, EventTarget, FocusEventTarget, MouseEventTarget,
         KeyboardEventTarget, LoadEventTarget {
     @Override
-    @JSProperty
     NodeList<? extends HTMLElement> getElementsByTagName(String name);
 
     @JSProperty