[cleanup] Drop unused scratch register from {load,store}_calling_convention

src/ic/ia32/access-compiler-ia32.cc

Index: src/ic/ia32/access-compiler-ia32.cc
diff --git a/src/ic/ia32/access-compiler-ia32.cc b/src/ic/ia32/access-compiler-ia32.cc
index 1825202366e3698b07819b9d866cf4ab6c13a96e..3219f3d1cb31006f9d5af7519f66aad129c2e141 100644
--- a/src/ic/ia32/access-compiler-ia32.cc
+++ b/src/ic/ia32/access-compiler-ia32.cc
@@ -18,19 +18,19 @@ void PropertyAccessCompiler::GenerateTailCall(MacroAssembler* masm,
 
 
 Register* PropertyAccessCompiler::load_calling_convention() {
-  // receiver, name, scratch1, scratch2, scratch3, scratch4.
+  // receiver, name, scratch1, scratch2, scratch3.
   Register receiver = LoadDescriptor::ReceiverRegister();
   Register name = LoadDescriptor::NameRegister();
-  static Register registers[] = {receiver, name, ebx, eax, edi, no_reg};
+  static Register registers[] = {receiver, name, ebx, eax, edi};
   return registers;
 }
 
 
 Register* PropertyAccessCompiler::store_calling_convention() {
-  // receiver, name, scratch1, scratch2, scratch3.
+  // receiver, name, scratch1, scratch2.
   Register receiver = StoreDescriptor::ReceiverRegister();
   Register name = StoreDescriptor::NameRegister();
-  static Register registers[] = {receiver, name, ebx, edi, no_reg};
+  static Register registers[] = {receiver, name, ebx, edi};
   return registers;
 }