Initialize list of frame elements to proper size.

src/virtual-frame-arm.cc

-// Copyright 2008 the V8 project authors. All rights reserved.
+// Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
@@ skipping 25 matching lines @@
 // VirtualFrame implementation.
 
 #define __ masm_->
 
 // On entry to a function, the virtual frame already contains the
 // receiver and the parameters.  All initial frame elements are in
 // memory.
 VirtualFrame::VirtualFrame(CodeGenerator* cgen)
     : cgen_(cgen),
       masm_(cgen->masm()),
-      elements_(0),
+      elements_(cgen->scope()->num_parameters()
+                + cgen->scope()->num_stack_slots()
+                + kPreallocatedElements),
       parameter_count_(cgen->scope()->num_parameters()),
       local_count_(0),
       stack_pointer_(parameter_count_),  // 0-based index of TOS.
       frame_pointer_(kIllegalIndex) {
   for (int i = 0; i < parameter_count_ + 1; i++) {
     elements_.Add(FrameElement::MemoryElement());
   }
   for (int i = 0; i < kNumRegisters; i++) {
     register_locations_[i] = kIllegalIndex;
   }
@@ skipping 368 matching lines @@
   ASSERT(stack_pointer_ == elements_.length() - 1);
   elements_.Add(FrameElement::MemoryElement());
   stack_pointer_++;
   __ push(reg);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal