SONARJAVA-1585 Fix lookup in static on demand imports

Author: benzonico

java-frontend/src/main/java/org/sonar/java/resolve/Scope.java

@@ -125,7 +125,7 @@ public List<JavaSymbol> lookup(String name) {
         }
 
         // site is a type, try to find a matching type or field
-        if ((site.kind & JavaSymbol.TYP) != 0) {
+        if ((site.kind & JavaSymbol.TYP) != 0 && site.kind < JavaSymbol.ERRONEOUS) {
           List<JavaSymbol> resolved = ((JavaSymbol.TypeJavaSymbol) site).members().lookup(name);
           for (JavaSymbol symbol : resolved) {
             // TODO check accessibility

java-frontend/src/test/files/sym/ImportResolution.java

@@ -16,7 +16,7 @@
 import static java.net.HttpURLConnection.HTTP_OK;
 import static java.util.Collections.reverse;
 import static java.util.Collections.sort;; // extra empty statements should be ignored
-
+import static java.util.Collections.FOO.*;
 @SuppressWarnings("all")
 class ImportResolution {
   private NotImplementedTreeImpl annotationTree;