From: Petr Viktorin <encukou@gmail.com>
Date: Thu, 30 Apr 2026 10:05:48 +0000 (+0200)
Subject: gh-149122: Fix refleak in codegen (GH-149179)
X-Git-Tag: v3.15.0b1~159
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4599335a83a22cf73a0c20e3692c29fd0278d23b;p=thirdparty%2FPython%2Fcpython.git

gh-149122: Fix refleak in codegen (GH-149179)
---

diff --git a/Python/codegen.c b/Python/codegen.c
index a371bf332b6d..a77451152c60 100644
--- a/Python/codegen.c
+++ b/Python/codegen.c
@@ -3962,8 +3962,10 @@ maybe_optimize_function_call(compiler *c, expr_ty e, jump_target_label end)
     expr_ty generator_exp = asdl_seq_GET(args, 0);
     PySTEntryObject *generator_entry = _PySymtable_Lookup(SYMTABLE(c), (void *)generator_exp);
     if (generator_entry->ste_coroutine) {
+        Py_DECREF(generator_entry);
         return 0;
     }
+    Py_DECREF(generator_entry);
 
     location loc = LOC(func);