Make numerous improvements

- Python static hello world now 1.8mb
- Python static fully loaded now 10mb
- Python HTTPS client now uses MbedTLS
- Python REPL now completes import stmts
- Increase stack size for Python for now
- Begin synthesizing posixpath and ntpath
- Restore Python \N{UNICODE NAME} support
- Restore Python NFKD symbol normalization
- Add optimized code path for Intel SHA-NI
- Get more Python unit tests passing faster
- Get Python help() pagination working on NT
- Python hashlib now supports MbedTLS PBKDF2
- Make memcpy/memmove/memcmp/bcmp/etc. faster
- Add Mersenne Twister and Vigna to LIBC_RAND
- Provide privileged __printf() for error code
- Fix zipos opendir() so that it reports ENOTDIR
- Add basic chmod() implementation for Windows NT
- Add Cosmo's best functions to Python cosmo module
- Pin function trace indent depth to that of caller
- Show memory diagram on invalid access in MODE=dbg
- Differentiate stack overflow on crash in MODE=dbg
- Add stb_truetype and tools for analyzing font files
- Upgrade to UNICODE 13 and reduce its binary footprint
- COMPILE.COM now logs resource usage of build commands
- Start implementing basic poll() support on bare metal
- Set getauxval(AT_EXECFN) to GetModuleFileName() on NT
- Add descriptions to strerror() in non-TINY build modes
- Add COUNTBRANCH() macro to help with micro-optimizations
- Make error / backtrace / asan / memory code more unbreakable
- Add fast perfect C implementation of μ-Law and a-Law audio codecs
- Make strtol() functions consistent with other libc implementations
- Improve Linenoise implementation (see also github.com/jart/bestline)
- COMPILE.COM now suppresses stdout/stderr of successful build commands

third_party/python/Modules/gcmodule.c

@@ -1728,14 +1728,6 @@ _PyGC_Dump(PyGC_Head *g)
     _PyObject_Dump(FROM_GC(g));
 }
 
-/* extension modules might be compiled with GC support so these
-   functions must always be available */
-
-#undef PyObject_GC_Track
-#undef PyObject_GC_UnTrack
-#undef PyObject_GC_Del
-#undef _PyObject_GC_Malloc
-
 void
 PyObject_GC_Track(void *op)
 {
@@ -1743,7 +1735,7 @@ PyObject_GC_Track(void *op)
 }
 
 void
-PyObject_GC_UnTrack(void *op)
+(PyObject_GC_UnTrack)(void *op)
 {
     /* Obscure:  the Py_TRASHCAN mechanism requires that we be able to
      * call PyObject_GC_UnTrack twice on an object.
@@ -1752,7 +1744,7 @@ PyObject_GC_UnTrack(void *op)
         _PyObject_GC_UNTRACK(op);
 }
 
-static PyObject *
+PyObject *
 _PyObject_GC_Alloc(int use_calloc, size_t basicsize)
 {
     PyObject *op;
@@ -1784,13 +1776,13 @@ _PyObject_GC_Alloc(int use_calloc, size_t basicsize)
 }
 
 PyObject *
-_PyObject_GC_Malloc(size_t basicsize)
+(_PyObject_GC_Malloc)(size_t basicsize)
 {
     return _PyObject_GC_Alloc(0, basicsize);
 }
 
 PyObject *
-_PyObject_GC_Calloc(size_t basicsize)
+(_PyObject_GC_Calloc)(size_t basicsize)
 {
     return _PyObject_GC_Alloc(1, basicsize);
 }
@@ -1809,7 +1801,6 @@ _PyObject_GC_NewVar(PyTypeObject *tp, Py_ssize_t nitems)
 {
     size_t size;
     PyVarObject *op;
-
     if (nitems < 0) {
         PyErr_BadInternalCall();
         return NULL;