Fix ARM build for changes to VirtualFrame

src/virtual-frame-arm.cc

 // Copyright 2008 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
@@ skipping 34 matching lines @@
     : cgen_(cgen),
       masm_(cgen->masm()),
       elements_(0),
       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;
+  }
 }
 
 
 // Clear the dirty bit for the element at a given index if it is a
 // valid element.  The stack address corresponding to the element must
 // be allocated on the physical stack, or the first element above the
 // stack pointer so it can be allocated by a single push instruction.
 void VirtualFrame::RawSyncElementAt(int index) {
   FrameElement element = elements_[index];
 
@@ skipping 403 matching lines @@
   ASSERT(stack_pointer_ == elements_.length() - 1);
   elements_.Add(FrameElement::MemoryElement());
   stack_pointer_++;
   __ push(reg);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal