Bug #742342: make Python stop segfaulting on infinitely-recursive reload()s. Fixed by patch #922167.
Will backport.
diff --git a/Python/pystate.c b/Python/pystate.c
index cc25e3e..086789d 100644
--- a/Python/pystate.c
+++ b/Python/pystate.c
@@ -68,6 +68,7 @@
Py_FatalError("Can't initialize threads for interpreter");
#endif
interp->modules = NULL;
+ interp->modules_reloading = NULL;
interp->sysdict = NULL;
interp->builtins = NULL;
interp->tstate_head = NULL;
@@ -107,6 +108,7 @@
Py_CLEAR(interp->codec_search_cache);
Py_CLEAR(interp->codec_error_registry);
Py_CLEAR(interp->modules);
+ Py_CLEAR(interp->modules_reloading);
Py_CLEAR(interp->sysdict);
Py_CLEAR(interp->builtins);
}