Make another small virtual frame function inlined....

src/virtual-frame-inl.h

 // 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 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #ifndef V8_VIRTUAL_FRAME_INL_H_
 #define V8_VIRTUAL_FRAME_INL_H_
 
 #include "virtual-frame.h"
 
 namespace v8 {
 namespace internal {
 
+
+// On entry to a function, the virtual frame already contains the receiver,
+// the parameters, and a return address.  All frame elements are in memory.
+VirtualFrame::VirtualFrame()
+    : elements_(parameter_count() + local_count() + kPreallocatedElements),
+      stack_pointer_(parameter_count() + 1) {  // 0-based index of TOS.
+  for (int i = 0; i <= stack_pointer_; i++) {
+    elements_.Add(FrameElement::MemoryElement(NumberInfo::kUnknown));
+  }
+  for (int i = 0; i < RegisterAllocator::kNumRegisters; i++) {
+    register_locations_[i] = kIllegalIndex;
+  }
+}
+
+
 // When cloned, a frame is a deep copy of the original.
 VirtualFrame::VirtualFrame(VirtualFrame* original)
     : elements_(original->element_count()),
       stack_pointer_(original->stack_pointer_) {
   elements_.AddAll(original->elements_);
   // Copy register locations from original.
   memcpy(&register_locations_,
          original->register_locations_,
          sizeof(register_locations_));
 }
@@ skipping 54 matching lines @@
   for (int i = 0; i < element_count(); i++) {
     if (!elements_[i].Equals(other->elements_[i])) return false;
   }
 
   return true;
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_VIRTUAL_FRAME_INL_H_