Change the IA32 stack handler layout so that the handler address does...

src/ia32/virtual-frame-ia32.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 757 matching lines @@
     // The stored-to slot holds the same value as the top but
     // unsynced.  (We do not have copies of constants yet.)
     ASSERT(top.is_constant());
     elements_[index].clear_sync();
   }
 }
 
 
 void VirtualFrame::PushTryHandler(HandlerType type) {
   ASSERT(cgen()->HasValidEntryRegisters());
-  // Grow the expression stack by handler size less two (the return address
-  // is already pushed by a call instruction, and PushTryHandler from the
-  // macro assembler will leave the top of stack in the eax register to be
-  // pushed separately).
-  Adjust(kHandlerSize - 2);
+  // Grow the expression stack by handler size less one (the return
+  // address is already pushed by a call instruction).
+  Adjust(kHandlerSize - 1);
   __ PushTryHandler(IN_JAVASCRIPT, type);
-  // TODO(1222589): remove the reliance of PushTryHandler on a cached TOS
-  EmitPush(eax);
 }
 
 
 Result VirtualFrame::RawCallStub(CodeStub* stub) {
   ASSERT(cgen()->HasValidEntryRegisters());
   __ CallStub(stub);
   Result result = cgen()->allocator()->Allocate(eax);
   ASSERT(result.is_valid());
   return result;
 }
@@ skipping 293 matching lines @@
   ASSERT(stack_pointer_ == element_count() - 1);
   elements_.Add(FrameElement::MemoryElement());
   stack_pointer_++;
   __ push(immediate);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal