gh-152156: Fix a crash in interpeters.create under limited memory conditions

Author: sobolevn

Misc/NEWS.d/next/Library/2026-06-25-10-07-54.gh-issue-152156.gscPU9.rst

@@ -0,0 +1,2 @@
+Fix a possible crash in :func:`concurrect.interpreters.create` under limited
+memory conditions.

Modules/_interpchannelsmodule.c

@@ -2951,10 +2951,8 @@ channelsmod_create(PyObject *self, PyObject *args, PyObject *kwds)
                            &cidobj);
     if (handle_channel_error(err, self, cid)) {
         assert(cidobj == NULL);
-        err = channel_destroy(&_globals.channels, cid);
-        if (handle_channel_error(err, self, cid)) {
-            // XXX issue a warning?
-        }
+        assert(PyErr_Occurred());
+        (void)channel_destroy(&_globals.channels, cid);
         return NULL;
     }
     assert(cidobj != NULL);