Issue 839: Bad code leading to top level methods being something other than identifier

compiler/java/com/google/dart/compiler/DartCompiler.java

Index: compiler/java/com/google/dart/compiler/DartCompiler.java
diff --git a/compiler/java/com/google/dart/compiler/DartCompiler.java b/compiler/java/com/google/dart/compiler/DartCompiler.java
index 558cbc30eb2001fe93c09d94d0e0a29c170a6e2e..1845e63c092f37c4a369367f5bef011d3c0c03ec 100644
--- a/compiler/java/com/google/dart/compiler/DartCompiler.java
+++ b/compiler/java/com/google/dart/compiler/DartCompiler.java
@@ -690,9 +690,7 @@ public class DartCompiler {
           // Compile all the units in this library.
           for (DartUnit unit : lib.getUnits()) {
 
-            if(astWriter != null) {
-              astWriter.process(unit);
-            }
+            astWriter.process(unit);
 
             // Don't compile api-only units.
             if (unit.isDiet()) {
@@ -837,6 +835,8 @@ public class DartCompiler {
         }
 
         if (!config.resolveDespiteParseErrors() && context.getErrorCount() > 0) {
+          // Dump the compiler parse tree if dump format is set in arguments
+          ASTWriterFactory.create(config).process(unit);
           return null;
         }
         return unit;