Cleanup of ARM exception handlers. Remove the unused code and...

src/arm/virtual-frame-arm.cc

 // 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
@@ skipping 212 matching lines @@
   UNIMPLEMENTED();
 }
 
 
 void VirtualFrame::StoreToFrameSlotAt(int index) {
   UNIMPLEMENTED();
 }
 
 
 void VirtualFrame::PushTryHandler(HandlerType type) {
-  // Grow the expression stack by handler size less one (the return address
-  // is already pushed by a call instruction).
+  // Grow the expression stack by handler size less one (the return
+  // address in lr is already counted by a call instruction).
   Adjust(kHandlerSize - 1);
   __ PushTryHandler(IN_JAVASCRIPT, type);
 }
 
 
 Result VirtualFrame::RawCallStub(CodeStub* stub) {
   ASSERT(cgen()->HasValidEntryRegisters());
   __ CallStub(stub);
   Result result = cgen()->allocator()->Allocate(r0);
   ASSERT(result.is_valid());
@@ skipping 185 matching lines @@
   ASSERT(stack_pointer_ == element_count() - 1);
   elements_.Add(FrameElement::MemoryElement());
   stack_pointer_++;
   __ push(reg);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal