Restore lazy parsing of classes.

dart/lib/compiler/implementation/compiler.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 /**
  * If true, print a warning for each method that was resolved, but not
  * compiled.
  */
 final bool REPORT_EXCESS_RESOLUTION = false;
@@ skipping 562 matching lines @@
       reportFatalError('Could not find $MAIN', mainApp);
     } else {
       if (!main.isFunction()) reportFatalError('main is not a function', main);
       FunctionElement mainMethod = main;
       FunctionSignature parameters = mainMethod.computeSignature(this);
       parameters.forEachParameter((Element parameter) {
         reportFatalError('main cannot have parameters', parameter);
       });
     }
 
-    // TODO(ahe): Remove this line. Eventually, enqueuer.resolution
-    // should know this.
-    world.populate(this, libraries.getValues());
-
     log('Resolving...');
     phase = PHASE_RESOLVING;
     backend.enqueueHelpers(enqueuer.resolution);
     processQueue(enqueuer.resolution, main);
     log('Resolved ${enqueuer.resolution.resolvedElements.length} elements.');
 
     if (compilationFailed) return;
 
     log('Inferring types...');
     typesTask.onResolutionComplete();
 
+    // TODO(ahe): Remove this line. Eventually, enqueuer.resolution
+    // should know this.
+    world.populate(this);
+
     log('Compiling...');
     phase = PHASE_COMPILING;
     processQueue(enqueuer.codegen, main);
     log("Recompiling ${enqueuer.codegen.recompilationCandidates.length} "
         "methods...");
     phase = PHASE_RECOMPILING;
     processRecompilationQueue(enqueuer.codegen);
     log('Compiled ${codegenWorld.generatedCode.length} methods.');
 
     if (compilationFailed) return;
@@ skipping 338 matching lines @@
     final endOffset = end.charOffset + end.slowCharCount;
 
     // [begin] and [end] might be the same for the same empty token. This
     // happens for instance when scanning '$$'.
     assert(endOffset >= beginOffset);
     return f(beginOffset, endOffset);
   }
 
   String toString() => 'SourceSpan($uri, $begin, $end)';
 }