Disable reg-exp compilation in background via a flag

runtime/vm/parser.cc

 // 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.
 
 #include "vm/parser.h"
 #include "vm/flags.h"
 
 #ifndef DART_PRECOMPILED_RUNTIME
 
 #include "lib/invocation_mirror.h"
@@ skipping 405 matching lines @@
   ASSERT(tokens_iterator_.IsValid());
   ASSERT(!current_function().IsNull());
   EnsureExpressionTemp();
 }
 
 
 Parser::~Parser() {
   if (unregister_pending_function_) {
     const GrowableObjectArray& pending_functions =
         GrowableObjectArray::Handle(T->pending_functions());
+    ASSERT(!pending_functions.IsNull());
     ASSERT(pending_functions.Length() > 0);
     ASSERT(pending_functions.At(pending_functions.Length() - 1) ==
         current_function().raw());
     pending_functions.RemoveLast();
   }
 }
 
 
 // Each try in this function gets its own try index.
 // See definition of RawPcDescriptors::PcDescriptor.
@@ skipping 2518 matching lines @@
   // Empty constructor body.
   current_block_->statements->Add(new ReturnNode(ST(ctor_pos)));
   SequenceNode* statements = CloseBlock();
   return statements;
 }
 
 
 void Parser::CheckRecursiveInvocation() {
   const GrowableObjectArray& pending_functions =
       GrowableObjectArray::Handle(Z, T->pending_functions());
+  ASSERT(!pending_functions.IsNull());
   for (int i = 0; i < pending_functions.Length(); i++) {
     if (pending_functions.At(i) == current_function().raw()) {
       const String& fname =
           String::Handle(Z, current_function().UserVisibleName());
       ReportError("circular dependency for function %s", fname.ToCString());
     }
   }
   ASSERT(!unregister_pending_function_);
-  pending_functions.Add(current_function());
+  pending_functions.Add(current_function(), Heap::kOld);
   unregister_pending_function_ = true;
 }
 
 
 // Parser is at the opening parenthesis of the formal parameter declaration
 // of function. Parse the formal parameters, initializers and code.
 SequenceNode* Parser::ParseConstructor(const Function& func) {
   TRACE_PARSER("ParseConstructor");
   ASSERT(func.IsGenerativeConstructor());
   ASSERT(!func.IsFactory());
@@ skipping 11436 matching lines @@
     const ArgumentListNode& function_args,
     const LocalVariable* temp_for_last_arg,
     bool is_super_invocation) {
   UNREACHABLE();
   return NULL;
 }
 
 }  // namespace dart
 
 #endif  // DART_PRECOMPILED_RUNTIME