add suppression

kumaraditya303 · kumaraditya303 · commit e4b108215e4f · 2025-07-08T18:35:16.000+05:30
diff --git a/Tools/tsan/suppressions_free_threading.txt b/Tools/tsan/suppressions_free_threading.txt
@@ -48,3 +48,6 @@ race_top:slot_tp_descr_get
 race_top:type_set_name
 race_top:set_tp_bases
 race_top:type_set_bases_unlocked
+
+# gh-128050
+race:partial_vectorcall_fallback
