Recompile unit with potential conflict/dependency on some top-level symbol.

compiler/java/com/google/dart/compiler/resolver/TypeErrorCode.java

Index: compiler/java/com/google/dart/compiler/resolver/TypeErrorCode.java
diff --git a/compiler/java/com/google/dart/compiler/resolver/TypeErrorCode.java b/compiler/java/com/google/dart/compiler/resolver/TypeErrorCode.java
index 0a8c9f619455213cbac5da2c80ea1c05a331f6f0..c17bfcddce19d79372b60e08a8d59b7de663d953 100644
--- a/compiler/java/com/google/dart/compiler/resolver/TypeErrorCode.java
+++ b/compiler/java/com/google/dart/compiler/resolver/TypeErrorCode.java
@@ -13,7 +13,7 @@ import com.google.dart.compiler.SubSystem;
 public enum TypeErrorCode implements ErrorCode {
   ABSTRACT_CLASS_WITHOUT_ABSTRACT_MODIFIER(
       "%s is an abstract class because it does not implement the inherited abstract members: %s"),
-  CANNOT_BE_RESOLVED("cannot resolve %s"),
+  CANNOT_BE_RESOLVED("cannot resolve %s", true),
   CANNOT_OVERRIDE_TYPED_MEMBER("cannot override %s of %s because %s is not assignable to %s"),
   CANNOT_OVERRIDE_METHOD_NOT_SUBTYPE("cannot override %s of %s because %s is not a subtype of %s"),
   DEFAULT_CONSTRUCTOR_TYPES(
@@ -27,17 +27,17 @@ public enum TypeErrorCode implements ErrorCode {
   INSTANTIATION_OF_CLASS_WITH_UNIMPLEMENTED_MEMBERS(
       "instantiation of class %s with the inherited abstract members: %s"),
   INTERFACE_HAS_NO_METHOD_NAMED("%s has no method named \"%s\""),
-  INTERNAL_ERROR("internal error: %s"),
+  INTERNAL_ERROR("internal error: %s", true),
   IS_STATIC_FIELD_IN("\"%s\" is a static field in \"%s\""),
   IS_STATIC_METHOD_IN("\"%s\" is a static method in \"%s\""),
   MEMBER_IS_A_CONSTRUCTOR("%s is a constructor in %s"),
   MISSING_ARGUMENT("missing argument of type %s"),
   MISSING_RETURN_VALUE("no return value; expected a value of type %s"),
-  NO_SUCH_TYPE("no such type \"%s\""),
+  NO_SUCH_TYPE("no such type \"%s\"", true),
   NOT_A_FUNCTION("\"%s\" is not a function"),
   NOT_A_MEMBER_OF("\"%s\" is not a member of %s"),
   NOT_A_METHOD_IN("\"%s\" is not a method in %s"),
-  NOT_A_TYPE("type \"%s\" expected, but \"%s\" found"),
+  NOT_A_TYPE("type \"%s\" expected, but \"%s\" found", true),
   OPERATOR_WRONG_OPERAND_TYPE("operand of \"%s\" must be assignable to \"%s\""),
   SETTER_RETURN_TYPE("Specified return type of setter '%s' is non-void"),
   STATIC_MEMBER_ACCESSED_THROUGH_INSTANCE(
@@ -48,22 +48,22 @@ public enum TypeErrorCode implements ErrorCode {
   USE_ASSIGNMENT_ON_SETTER("Use assignment to set field \"%s\" in %s"),
   VOID("expression does not yield a value"),
   WRONG_NUMBER_OF_TYPE_ARGUMENTS("%s: wrong number of type arguments, Expected %d");
-  private final ErrorSeverity severity;
   private final String message;
+  private final boolean needsRecompilation;
 
   /**
-   * Initialize a newly created error code to have the given message and WARNING severity.
+   * Initialize a newly created error code to have the given message.
    */
   private TypeErrorCode(String message) {
-    this(ErrorSeverity.WARNING, message);
+    this(message, false);
   }
 
   /**
-   * Initialize a newly created error code to have the given severity and message.
+   * Initialize a newly created error code to have the given message and compilation flag.
    */
-  private TypeErrorCode(ErrorSeverity severity, String message) {
-    this.severity = severity;
+  private TypeErrorCode(String message, boolean needsRecompilation) {
     this.message = message;
+    this.needsRecompilation = needsRecompilation;
   }
 
   @Override
@@ -73,11 +73,16 @@ public enum TypeErrorCode implements ErrorCode {
 
   @Override
   public ErrorSeverity getErrorSeverity() {
-    return severity;
+    return ErrorSeverity.WARNING;
   }
 
   @Override
   public SubSystem getSubSystem() {
     return SubSystem.STATIC_TYPE;
   }
+
+  @Override
+  public boolean needsRecompilation() {
+    return this.needsRecompilation;
+  }
 }