Update analyzer to reflect new rules for prefixes.

pkg/analyzer/lib/src/generated/element_resolver.dart

Index: pkg/analyzer/lib/src/generated/element_resolver.dart
diff --git a/pkg/analyzer/lib/src/generated/element_resolver.dart b/pkg/analyzer/lib/src/generated/element_resolver.dart
index 7df8d66e686d28351a148fcbe94d4a51c4bff5f8..c047654d1615bf7ad186ea846969b02aa9f7ec4d 100644
--- a/pkg/analyzer/lib/src/generated/element_resolver.dart
+++ b/pkg/analyzer/lib/src/generated/element_resolver.dart
@@ -679,13 +679,11 @@ class ElementResolver extends SimpleAstVisitor<Object> {
       return null;
     }
     if (identical(
-        errorCode, StaticTypeWarningCode.INVOCATION_OF_NON_FUNCTION)) {
-      _resolver.reportErrorForNode(
-          StaticTypeWarningCode.INVOCATION_OF_NON_FUNCTION, methodName,
-          [methodName.name]);
-    } else if (identical(errorCode, StaticTypeWarningCode.UNDEFINED_FUNCTION)) {
-      _resolver.reportErrorForNode(StaticTypeWarningCode.UNDEFINED_FUNCTION,
-          methodName, [methodName.name]);
+            errorCode, StaticTypeWarningCode.INVOCATION_OF_NON_FUNCTION) ||
+        identical(errorCode,
+            CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT) ||
+        identical(errorCode, StaticTypeWarningCode.UNDEFINED_FUNCTION)) {
+      _resolver.reportErrorForNode(errorCode, methodName, [methodName.name]);
     } else if (identical(errorCode, StaticTypeWarningCode.UNDEFINED_METHOD)) {
       String targetTypeName;
       if (target == null) {
@@ -1116,7 +1114,7 @@ class ElementResolver extends SimpleAstVisitor<Object> {
       Expression target, bool useStaticContext, Element element) {
     // Prefix is not declared, instead "prefix.id" are declared.
     if (element is PrefixElement) {
-      element = null;
+      return CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT;
     }
     if (element is PropertyAccessorElement) {
       //
@@ -2322,7 +2320,7 @@ class ElementResolver extends SimpleAstVisitor<Object> {
     // Look first in the lexical scope.
     //
     Element element = _resolver.nameScope.lookup(methodName, _definingLibrary);
-    if (element == null || element is PrefixElement) {
+    if (element == null) {
       //
       // If it isn't defined in the lexical scope, and the invocation is within
       // a class, then look in the inheritance scope.
@@ -2577,10 +2575,6 @@ class ElementResolver extends SimpleAstVisitor<Object> {
       element = _resolver.nameScope.lookup(
           new SyntheticIdentifier("${identifier.name}=", identifier),
           _definingLibrary);
-    } else if (element is PrefixElement && !identifier.inGetterContext()) {
-      element = _resolver.nameScope.lookup(
-          new SyntheticIdentifier("${identifier.name}=", identifier),
-          _definingLibrary);
     }
     ClassElement enclosingClass = _resolver.enclosingClass;
     if (element == null && enclosingClass != null) {