Revert "Backport METH_FASTCALL from Python 3.7 (#328)"

This reverts commit cf73bbd678.

third_party/python/Include/abstract.h

@@ -44,8 +44,6 @@ PyObject *_PyObject_Call_Prepend(PyObject *func, PyObject *obj, PyObject *args,
 
 #define _PY_FASTCALL_SMALL_STACK 5
 
-int _PyObject_HasFastCall(PyObject *callable);
-
 PyObject *_PyObject_FastCall_Prepend(
     PyObject *callable,
     PyObject *obj,

third_party/python/Include/descrobject.h

@@ -91,8 +91,6 @@ PyObject * PyDescr_NewMember(PyTypeObject *,
 PyObject * PyDescr_NewGetSet(PyTypeObject *,
                                                struct PyGetSetDef *);
 #ifndef Py_LIMITED_API
-PyObject * _PyMethodDescr_FastCallKeywords(
-        PyObject *descrobj, PyObject *const *stack, Py_ssize_t nargs, PyObject *kwnames);
 PyObject * PyDescr_NewWrapper(PyTypeObject *,
                                                 struct wrapperbase *, void *);
 #define PyDescr_IsData(d) (Py_TYPE(d)->tp_descr_set != NULL)

third_party/python/Include/eval.h

@@ -15,16 +15,6 @@ PyObject * PyEval_EvalCodeEx(PyObject *co,
 					PyObject *kwdefs, PyObject *closure);
 
 #ifndef Py_LIMITED_API
-PyObject * _PyEval_EvalCodeWithName(
-    PyObject *co,
-    PyObject *globals, PyObject *locals,
-    PyObject **args, Py_ssize_t argcount,
-    PyObject **kwnames, PyObject **kwargs,
-    Py_ssize_t kwcount, int kwstep,
-    PyObject **defs, Py_ssize_t defcount,
-    PyObject *kwdefs, PyObject *closure,
-    PyObject *name, PyObject *qualname);
-
 PyObject * _PyEval_CallTracing(PyObject *func, PyObject *args);
 #endif
 

third_party/python/Include/frameobject.h

@@ -61,9 +61,6 @@ extern PyTypeObject PyFrame_Type;
 PyFrameObject * PyFrame_New(PyThreadState *, PyCodeObject *,
                             PyObject *, PyObject *);
 
-/* only internal use */
-PyFrameObject* _PyFrame_New_NoTrack(PyThreadState *, PyCodeObject *,
-                                    PyObject *, PyObject *);
 
 /* The rest of the interface is specific for frame objects */
 

third_party/python/Include/methodobject.h

@@ -14,12 +14,10 @@ extern PyTypeObject PyCFunction_Type;
 #define PyCFunction_Check(op) (Py_TYPE(op) == &PyCFunction_Type)
 
 typedef PyObject *(*PyCFunction)(PyObject *, PyObject *);
-typedef PyObject *(*_PyCFunctionFast) (PyObject *, PyObject **, Py_ssize_t);
+typedef PyObject *(*_PyCFunctionFast) (PyObject *self, PyObject **args,
+                                       Py_ssize_t nargs, PyObject *kwnames);
 typedef PyObject *(*PyCFunctionWithKeywords)(PyObject *, PyObject *,
                                              PyObject *);
-typedef PyObject *(*_PyCFunctionFastWithKeywords) (PyObject *,
-                                                   PyObject **, Py_ssize_t,
-                                                   PyObject *);
 typedef PyObject *(*PyNoArgsFunction)(PyObject *);
 
 PyCFunction PyCFunction_GetFunction(PyObject *);
@@ -95,20 +93,12 @@ typedef struct {
     PyObject    *m_module; /* The __module__ attribute, can be anything */
     PyObject    *m_weakreflist; /* List of weak references */
 } PyCFunctionObject;
-
 PyObject * _PyMethodDef_RawFastCallDict(
     PyMethodDef *method,
     PyObject *self,
     PyObject **args,
     Py_ssize_t nargs,
     PyObject *kwargs);
-
-PyObject * _PyMethodDef_RawFastCallKeywords(
-    PyMethodDef *method,
-    PyObject *self,
-    PyObject **args,
-    Py_ssize_t nargs,
-    PyObject *kwnames);
 #endif
 
 int PyCFunction_ClearFreeList(void);

third_party/python/Include/opcode.h

@@ -125,8 +125,6 @@ COSMOPOLITAN_C_START_
 #define BUILD_CONST_KEY_MAP     156
 #define BUILD_STRING            157
 #define BUILD_TUPLE_UNPACK_WITH_CALL 158
-#define LOAD_METHOD             160
-#define CALL_METHOD             161
 
 /* EXCEPT_HANDLER is a special, implicit block type which is created when
    entering an except handler. It is not an opcode but we define it here

third_party/python/Include/pyport.h

@@ -235,28 +235,6 @@ typedef int Py_ssize_clean_t;
 #define Py_DEPRECATED(VERSION_UNUSED)
 #endif
 
-/* _Py_HOT_FUNCTION
- * The hot attribute on a function is used to inform the compiler that the
- * function is a hot spot of the compiled program. The function is optimized
- * more aggressively and on many target it is placed into special subsection of
- * the text section so all hot functions appears close together improving
- * locality.
- *
- * Usage:
- *    int _Py_HOT_FUNCTION x(void) { return 3; }
- *
- * Issue #28618: This attribute must not be abused, otherwise it can have a
- * negative effect on performance. Only the functions were Python spend most of
- * its time must use it. Use a profiler when running performance benchmark
- * suite to find these functions.
- */
-#if !IsModeDbg() && defined(__GNUC__) \
-    && ((__GNUC__ >= 5) || (__GNUC__ == 4) && (__GNUC_MINOR__ >= 3))
-#define _Py_HOT_FUNCTION __attribute__((hot))
-#else
-#define _Py_HOT_FUNCTION
-#endif
-
 #define RTYPE RTYPE
 #ifdef __cplusplus
 #define PyMODINIT_FUNC extern "C" PyObject *