Issue #10279: fix test_gc under Win64.
diff --git a/Modules/gcmodule.c b/Modules/gcmodule.c
index 3f96c42..432efb3 100644
--- a/Modules/gcmodule.c
+++ b/Modules/gcmodule.c
@@ -1370,10 +1370,10 @@
&& garbage != NULL && PyList_GET_SIZE(garbage) > 0) {
char *message;
if (debug & DEBUG_UNCOLLECTABLE)
- message = "gc: %" PY_FORMAT_SIZE_T "d uncollectable objects at " \
+ message = "gc: %zd uncollectable objects at " \
"shutdown";
else
- message = "gc: %" PY_FORMAT_SIZE_T "d uncollectable objects at " \
+ message = "gc: %zd uncollectable objects at " \
"shutdown; use gc.set_debug(gc.DEBUG_UNCOLLECTABLE) to list them";
if (PyErr_WarnFormat(PyExc_ResourceWarning, 0, message,
PyList_GET_SIZE(garbage)) < 0)