Restore trashTSSkey silliness.

Author: ZeroIntensity

Include/internal/pycore_runtime_init.h

@@ -61,6 +61,9 @@ extern PyTypeObject _PyExc_MemoryError;
                 }, \
             }, \
         }, \
+        /* A TSS key must be initialized with Py_tss_NEEDS_INIT \
+           in accordance with the specification. */ \
+        .autoTSSkey = Py_tss_NEEDS_INIT, \
         .parser = _parser_runtime_state_INIT, \
         .ceval = { \
             .pending_mainthread = { \

Include/internal/pycore_runtime_structs.h

@@ -223,6 +223,9 @@ struct pyruntimestate {
     struct _pythread_runtime_state threads;
     struct _signals_runtime_state signals;
 
+    /* Used instead of PyThreadState.trash when there is not current tstate. */
+    Py_tss_t trashTSSkey;
+
     PyWideStringList orig_argv;
 
     struct _parser_runtime_state parser;