gh-131782: Fix cast to match type of bits in _Py_TryIncrefCompareStackRef (#131783)

nascheme · web-flow · commit c824d8e6f96a · 2025-03-27T13:58:59.000+05:30
diff --git a/Include/internal/pycore_stackref.h b/Include/internal/pycore_stackref.h
@@ -668,7 +668,7 @@ static inline int
 _Py_TryIncrefCompareStackRef(PyObject **src, PyObject *op, _PyStackRef *out)
 {
     if (_PyObject_HasDeferredRefcount(op)) {
-        *out = (_PyStackRef){ .bits = (intptr_t)op | Py_TAG_DEFERRED };
+        *out = (_PyStackRef){ .bits = (uintptr_t)op | Py_TAG_DEFERRED };
         return 1;
     }
     if (_Py_TryIncrefCompare(src, op)) {

Original file line number	Diff line number	Diff line change
`@@ -668,7 +668,7 @@ static inline int`
`668`	`668`	`_Py_TryIncrefCompareStackRef(PyObject *src, PyObject op, _PyStackRef *out)`
`669`	`669`	`{`
`670`	`670`	`if (_PyObject_HasDeferredRefcount(op)) {`
`671`		`- *out = (_PyStackRef){ .bits = (intptr_t)op \| Py_TAG_DEFERRED };`
	`671`	`+ *out = (_PyStackRef){ .bits = (uintptr_t)op \| Py_TAG_DEFERRED };`
`672`	`672`	`return 1;`
`673`	`673`	`}`
`674`	`674`	`if (_Py_TryIncrefCompare(src, op)) {`