bpo-46430: Fix memory leak in interned strings of deep-frozen modules (GH-31549)

1 files changed, 4 insertions, 2 deletions

diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c
index b6310c9..9dd769a 100644
--- a/Python/pylifecycle.c
+++ b/Python/pylifecycle.c
@@ -754,7 +754,6 @@ pycore_init_types(PyInterpreterState *interp)
     if (_PyStatus_EXCEPTION(status)) {
         return status;
     }
-
     return _PyStatus_OK();
 }
 
@@ -827,7 +826,10 @@ pycore_interp_init(PyThreadState *tstate)
     if (_PyStatus_EXCEPTION(status)) {
         return status;
     }
-
+    // Intern strings in deep-frozen modules first so that others
+    // can use it instead of creating a heap allocated string.
+    _Py_Deepfreeze_Init();
+    
     status = pycore_init_types(interp);
     if (_PyStatus_EXCEPTION(status)) {
         goto done;