fix all instances of "the the"

pkg/compiler/lib/src/ssa/codegen.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.
 
 import '../common.dart';
 import '../common/codegen.dart' show CodegenRegistry, CodegenWorkItem;
 import '../common/tasks.dart' show CompilerTask;
 import '../compiler.dart' show Compiler;
 import '../constants/constant_system.dart';
 import '../constants/values.dart';
@@ skipping 2187 matching lines @@
     // BUG(4906): Using throw/return here adds to the size of the generated code
     // but it has the advantage of explicitly telling the JS engine that
     // this code path will terminate abruptly. Needs more work.
     if (helper == helpers.wrapExceptionHelper) {
       pushStatement(
           new js.Throw(value).withSourceInformation(sourceInformation));
     } else {
       Element element = work.element;
       if (element is FunctionElement && element.asyncMarker.isYielding) {
         // `return <expr>;` is illegal in a sync* or async* function.
-        // To have the the async-translator working, we avoid introducing
+        // To have the async-translator working, we avoid introducing
         // `return` nodes.
         pushStatement(new js.ExpressionStatement(value)
             .withSourceInformation(sourceInformation));
       } else {
         pushStatement(
             new js.Return(value).withSourceInformation(sourceInformation));
       }
     }
   }
 
@@ skipping 675 matching lines @@
     registry.registerStaticUse(new StaticUse.staticInvoke(
         helper, new CallStructure.unnamed(argumentCount)));
     return backend.emitter.staticFunctionAccess(helper);
   }
 
   @override
   void visitRef(HRef node) {
     visit(node.value);
   }
 }