Add missing argument to HANDLESCOPE().

runtime/vm/compiler.cc

 // Copyright (c) 2011, 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.
 
 #include "vm/compiler.h"
 
 #include "vm/assembler.h"
 #include "vm/ast_printer.h"
 #include "vm/code_generator.h"
 #include "vm/code_index_table.h"
@@ skipping 49 matching lines @@
         all_nodes[n]->SetIcDataArrayAtId(node_id, *arrays[i]);
       }
     }
     ASSERT(found_node);
   }
 }
 
 
 void Compiler::Compile(const Library& library, const Script& script) {
   if (FLAG_trace_compiler) {
-    HANDLESCOPE();
+    HANDLESCOPE(Isolate::Current());
     const String& script_url = String::Handle(script.url());
     // TODO(iposva): Extract script kind.
     OS::Print("Compiling %s '%s'\n", "", script_url.ToCString());
   }
   const String& library_key = String::Handle(library.private_key());
   script.Tokenize(library_key);
   Parser::ParseCompilationUnit(library, script);
 }
 
 
@@ skipping 183 matching lines @@
                               kNoArgumentNames));
   if (result.IsUnhandledException()) {
     // TODO(srdjan): implement proper exit from compiler.
     UNIMPLEMENTED();
   }
   return result.raw();
 }
 
 
 }  // namespace dart