Ensure objects emitted in code are allocated in old space.

runtime/vm/flow_graph_compiler_ia32.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/globals.h"  // Needed here to get TARGET_ARCH_IA32.
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "lib/error.h"
@@ skipping 724 matching lines @@
     for (int i = 0; i < num_opt_params; i++) {
       // Handle this optional parameter only if k or fewer positional arguments
       // have been passed, where k is the position of this optional parameter in
       // the formal parameter list.
       Label load_default_value, assign_optional_parameter, next_parameter;
       const int param_pos = opt_param_position[i];
       __ cmpl(ECX, Immediate(param_pos));
       __ j(GREATER, &next_parameter, Assembler::kNearJump);
       // Check if this named parameter was passed in.
       __ movl(EAX, Address(EDI, 0));  // Load EAX with the name of the argument.
+      ASSERT(opt_param[i]->name().IsSymbol());
       __ CompareObject(EAX, opt_param[i]->name());
       __ j(NOT_EQUAL, &load_default_value, Assembler::kNearJump);
       // Load EAX with passed-in argument at provided arg_pos, i.e. at
       // fp[1 + argc - arg_pos].
       __ movl(EAX, Address(EDI, kWordSize));  // EAX is arg_pos as Smi.
       __ addl(EDI, Immediate(2 * kWordSize));  // Point to next name/pos pair.
       __ negl(EAX);
       Address argument_addr(EBX, EAX, TIMES_2, 0);  // EAX is a negative Smi.
       __ movl(EAX, argument_addr);
       __ jmp(&assign_optional_parameter, Assembler::kNearJump);
@@ skipping 382 matching lines @@
     }
   }
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32