[turbofan] Remove arguments order independent versions of [Tail]CallStub() from CodeAssembler.

src/compiler/code-assembler.h

Index: src/compiler/code-assembler.h
diff --git a/src/compiler/code-assembler.h b/src/compiler/code-assembler.h
index 573e8e58cd6478b599f39d9b20734893d23505db..96ee97630c0bd0432f1c478e4ed80cc315b43697 100644
--- a/src/compiler/code-assembler.h
+++ b/src/compiler/code-assembler.h
@@ -308,15 +308,6 @@ class V8_EXPORT_PRIVATE CodeAssembler {
   Node* TailCallRuntime(Runtime::FunctionId function, Node* context,
                         TArgs... args);
 
-  // A pair of a zero-based argument index and a value.
-  // It helps writing arguments order independent code.
-  struct Arg {
-    Arg(int index, Node* value) : index(index), value(value) {}
-
-    int const index;
-    Node* const value;
-  };
-
   template <class... TArgs>
   Node* CallStub(Callable const& callable, Node* context, TArgs... args) {
     Node* target = HeapConstant(callable.code());
@@ -336,20 +327,6 @@ class V8_EXPORT_PRIVATE CodeAssembler {
   Node* CallStubN(const CallInterfaceDescriptor& descriptor, size_t result_size,
                   int input_count, Node* const* inputs);
 
-  Node* CallStub(const CallInterfaceDescriptor& descriptor, Node* target,
-                 Node* context, const Arg& arg1, const Arg& arg2,
-                 size_t result_size = 1);
-  Node* CallStub(const CallInterfaceDescriptor& descriptor, Node* target,
-                 Node* context, const Arg& arg1, const Arg& arg2,
-                 const Arg& arg3, size_t result_size = 1);
-  Node* CallStub(const CallInterfaceDescriptor& descriptor, Node* target,
-                 Node* context, const Arg& arg1, const Arg& arg2,
-                 const Arg& arg3, const Arg& arg4, size_t result_size = 1);
-  Node* CallStub(const CallInterfaceDescriptor& descriptor, Node* target,
-                 Node* context, const Arg& arg1, const Arg& arg2,
-                 const Arg& arg3, const Arg& arg4, const Arg& arg5,
-                 size_t result_size = 1);
-
   Node* CallStubN(const CallInterfaceDescriptor& descriptor,
                   int js_parameter_count, Node* target, Node** args,
                   size_t result_size = 1);
@@ -390,14 +367,6 @@ class V8_EXPORT_PRIVATE CodeAssembler {
                      Node* arg4, Node* arg5, Node* arg6,
                      size_t result_size = 1);
 
-  Node* TailCallStub(const CallInterfaceDescriptor& descriptor, Node* target,
-                     Node* context, const Arg& arg1, const Arg& arg2,
-                     const Arg& arg3, const Arg& arg4, size_t result_size = 1);
-  Node* TailCallStub(const CallInterfaceDescriptor& descriptor, Node* target,
-                     Node* context, const Arg& arg1, const Arg& arg2,
-                     const Arg& arg3, const Arg& arg4, const Arg& arg5,
-                     size_t result_size = 1);
-
   Node* TailCallBytecodeDispatch(const CallInterfaceDescriptor& descriptor,
                                  Node* code_target_address, Node** args);