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-rw-r--r--Misc/NEWS.d/next/Tests/2018-09-09-14-36-59.bpo-34569.okj1Xh.rst2
-rw-r--r--Python/pystate.c2
2 files changed, 3 insertions, 1 deletions
diff --git a/Misc/NEWS.d/next/Tests/2018-09-09-14-36-59.bpo-34569.okj1Xh.rst b/Misc/NEWS.d/next/Tests/2018-09-09-14-36-59.bpo-34569.okj1Xh.rst
new file mode 100644
index 0000000000..bd433adfc3
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2018-09-09-14-36-59.bpo-34569.okj1Xh.rst
@@ -0,0 +1,2 @@
+The experimental PEP 554 data channels now correctly pass negative PyLong
+objects between subinterpreters on 32-bit systems. Patch by Michael Felt.
diff --git a/Python/pystate.c b/Python/pystate.c
index 98882eb758..4dc3b81e4c 100644
--- a/Python/pystate.c
+++ b/Python/pystate.c
@@ -1467,7 +1467,7 @@ _str_shared(PyObject *obj, _PyCrossInterpreterData *data)
static PyObject *
_new_long_object(_PyCrossInterpreterData *data)
{
- return PyLong_FromLongLong((int64_t)(data->data));
+ return PyLong_FromLongLong((intptr_t)(data->data));
}
static int