Issue 23271. Check target.staticElement for null.

pkg/analysis_server/lib/src/services/correction/fix_internal.dart

Index: pkg/analysis_server/lib/src/services/correction/fix_internal.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/fix_internal.dart b/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
index d370589aad437702f6ca312663ca5c7d267e33a8..ba59146bd616f026892cd383e4cb38c59c58ff1b 100644
--- a/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
+++ b/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
@@ -721,6 +721,9 @@ class FixProcessor {
       if (target is Identifier) {
         Identifier targetIdentifier = target;
         Element targetElement = targetIdentifier.staticElement;
+        if (targetElement == null) {
+          return;

[Brian Wilkerson, 2015/04/22 20:55:55]

Given that we don't expect this case, and think that it might indicate some
other bug, should we log some information about it (like the node types up to
the root of the AST)? Or would that just be noise?

+        }
         staticModifier = targetElement.kind == ElementKind.CLASS;
       }
     } else {
@@ -1186,7 +1189,6 @@ class FixProcessor {
     if (name.startsWith('_')) {
       return;
     }
-
     // may be there is an existing import,
     // but it is with prefix and we don't use this prefix
     for (ImportElement imp in unitLibraryElement.imports) {