Move tracemalloc_empty_traceback to _PyRuntimeState.

Author: ericsnowcurrently

Include/internal/pycore_tracemalloc.h

@@ -99,6 +99,8 @@ struct _tracemalloc_runtime_state {
        Protected by TABLES_LOCK(). */
     _Py_hashtable_t *domains;
 
+    struct tracemalloc_traceback empty_traceback;
+
     Py_tss_t reentrant_key;
 };
 

Modules/_tracemalloc.c

@@ -63,7 +63,8 @@ typedef struct tracemalloc_traceback traceback_t;
 static const unsigned long MAX_NFRAME = Py_MIN(UINT16_MAX, ((SIZE_MAX - sizeof(traceback_t)) / sizeof(frame_t) + 1));
 
 
-static traceback_t tracemalloc_empty_traceback;
+#define tracemalloc_empty_traceback _PyRuntime.tracemalloc.empty_traceback
+
 
 /* Trace of a memory block */
 typedef struct {

Tools/c-analyzer/cpython/globals-to-fix.tsv

@@ -377,7 +377,6 @@ Modules/faulthandler.c	-	old_stack	-
 ##-----------------------
 ## state
 
-Modules/_tracemalloc.c	-	tracemalloc_empty_traceback	-
 Modules/faulthandler.c	faulthandler_dump_traceback	reentrant	-
 Modules/signalmodule.c	-	is_tripped	-
 Modules/signalmodule.c	-	signal_global_state	-