diff --git a/compiler/java/com/google/dart/compiler/backend/js/GenerateJavascriptAST.java b/compiler/java/com/google/dart/compiler/backend/js/GenerateJavascriptAST.java
index 1e5360f2843..3a6d6dac4a6 100644
--- a/compiler/java/com/google/dart/compiler/backend/js/GenerateJavascriptAST.java
+++ b/compiler/java/com/google/dart/compiler/backend/js/GenerateJavascriptAST.java
@@ -2431,6 +2431,8 @@ public class GenerateJavascriptAST {
             mangledName = mangler.mangleMethod((MethodElement) element, unitLibrary);
             if (element.getModifiers().isStatic()) {
               qualifier = referenceName(element.getEnclosingElement(), x.getTarget());
+            } else if (Elements.isTopLevel(element)) {
+              qualifier = null;
             } else {
               qualifier = (JsExpression) generate(x.getTarget());
             }
diff --git a/compiler/java/com/google/dart/compiler/resolver/Resolver.java b/compiler/java/com/google/dart/compiler/resolver/Resolver.java
index 96248ef0ac6..43e3d6e8410 100644
--- a/compiler/java/com/google/dart/compiler/resolver/Resolver.java
+++ b/compiler/java/com/google/dart/compiler/resolver/Resolver.java
@@ -776,10 +776,17 @@ public class Resolver {
           }
           break;
         }
+
+        case LIBRARY:
+          // Library prefix, lookup the element in the reference library.
+          element = ((LibraryElement) target).getScope().findElement(x.getFunctionNameString());
+          if (element == null) {
+            diagnoseErrorInMethodInvocation(x, null, null);
+          }
+          break;
       }
 
       checkInvocationTarget(x, currentMethod, target);
-      // TODO(ngeoffray): handle library prefix
       visit(x.getArgs());
       return recordElement(x, element);
     }
diff --git a/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java b/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
index 3e7ff3d2245..06267da74ae 100644
--- a/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
+++ b/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
@@ -96,6 +96,7 @@ import com.google.dart.compiler.resolver.CoreTypeProvider;
 import com.google.dart.compiler.resolver.CyclicDeclarationException;
 import com.google.dart.compiler.resolver.DuplicatedInterfaceException;
 import com.google.dart.compiler.resolver.Element;
+import com.google.dart.compiler.resolver.Elements;
 import com.google.dart.compiler.resolver.ElementKind;
 import com.google.dart.compiler.resolver.EnclosingElement;
 import com.google.dart.compiler.resolver.FieldElement;
@@ -657,7 +658,8 @@ public class TypeAnalyzer implements DartCompilationPhase {
     public Type visitMethodInvocation(DartMethodInvocation node) {
       String name = node.getFunctionNameString();
       Element element = (Element) node.getTargetSymbol();
-      if (element != null && element.getModifiers().isStatic()) {
+      if (element != null && (element.getModifiers().isStatic()
+                              || Elements.isTopLevel(element))) {
         return checkInvocation(node, node, name, element.getType());
       }
       Type receiver = nonVoidTypeOf(node.getTarget());
@@ -1021,7 +1023,8 @@ public class TypeAnalyzer implements DartCompilationPhase {
     @Override
     public Type visitPropertyAccess(DartPropertyAccess node) {
       Element element = node.getTargetSymbol();
-      if (element != null && element.getModifiers().isStatic()) {
+      if (element != null && (element.getModifiers().isStatic()
+                              || Elements.isTopLevel(element))) {
         return element.getType();
       }
       DartNode qualifier = node.getQualifier();
diff --git a/tests/language/language.status b/tests/language/language.status
index 2d95eb4ae6d..a31dbf7b107 100644
--- a/tests/language/language.status
+++ b/tests/language/language.status
@@ -63,24 +63,8 @@ Switch3NegativeTest: Crash           # Bug 5318228
 
 
 [ $arch == dartc || $arch == chromium ]
-Prefix1NegativeTest: Skip # Bug 5406175
-Prefix2NegativeTest: Skip # Bug 5406175
-Prefix3NegativeTest: Skip # Bug 5406175
-Prefix4NegativeTest: Skip # Bug 5406175
-Prefix5NegativeTest: Skip # Bug 5406175
-Prefix6NegativeTest: Skip # Bug 5406175
-Prefix7NegativeTest: Skip # Bug 5406175
-Prefix8NegativeTest: Skip # Bug 5406175
-Prefix9NegativeTest: Skip # Bug 5406175
-Prefix10NegativeTest: Skip # Bug 5406175
-Prefix11NegativeTest: Skip # Bug 5406175
-Prefix12NegativeTest: Skip # Bug 5406175
-PrefixTest: Skip # Bug 5406175
-Prefix10Test: Skip # Bug 5406175
-Prefix11Test: Skip # Bug 5406175
-Prefix12Test: Skip # Bug 5406175
-LibraryPrefixesTest: Skip # Bug 5406175
-TopLevelNonPrefixedLibraryTest: Skip # Bug 5406175
+Prefix11NegativeTest: Fail # Bug 5406175
+Prefix12NegativeTest: Fail,Crash # Bug 5406175
 DefaultFactoryTest: Fail    # Bug 5009110
 FunctionTypeParameterNegativeTest: Fail # Bug 4568007
 ImplicitScopeTest: FAIL              # Nested statements can be declarations
@@ -170,6 +154,25 @@ TopLevelEntryTest: Fail               # Bug 5145731
 PrivateTest: Fail                     # Bug 5145731
 Private3Test: Fail                    # Bug 5145731
 
+Prefix1NegativeTest: Skip # Bug 5406175
+Prefix2NegativeTest: Skip # Bug 5406175
+Prefix3NegativeTest: Skip # Bug 5406175
+Prefix4NegativeTest: Skip # Bug 5406175
+Prefix5NegativeTest: Skip # Bug 5406175
+Prefix6NegativeTest: Skip # Bug 5406175
+Prefix7NegativeTest: Skip # Bug 5406175
+Prefix8NegativeTest: Skip # Bug 5406175
+Prefix9NegativeTest: Skip # Bug 5406175
+Prefix10NegativeTest: Skip # Bug 5406175
+Prefix11NegativeTest: Skip # Bug 5406175
+Prefix12NegativeTest: Skip # Bug 5406175
+PrefixTest: Crash,Fail # Bug 5406175
+Prefix10Test: Crash,Fail # Bug 5406175
+Prefix11Test: Crash,Fail # Bug 5406175
+Prefix12Test: Crash,Fail # Bug 5406175
+LibraryPrefixesTest: Fail # Bug 5406175
+TopLevelNonPrefixedLibraryTest: Fail # Bug 5406175
+
 [ $arch == chromium && $mode == release ]
 Instanceof2Test: Fail, Pass # Bug 5275232