From 0fc49bed80f346bbd7d82a220a062cd060d95c1a Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Thu, 7 Aug 2025 17:38:15 +0200
Subject: [PATCH] [3.14] gh-132983: Use ``Py_UNREACHABLE`` in
 ``_zstd_load_impl()`` (GH-137320) (#137360)

Co-authored-by: Rogdham <3994389+Rogdham@users.noreply.github.com>
---
 Modules/_zstd/decompressor.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/Modules/_zstd/decompressor.c b/Modules/_zstd/decompressor.c
index b00ee05d2f51..026d39f68291 100644
--- a/Modules/_zstd/decompressor.c
+++ b/Modules/_zstd/decompressor.c
@@ -157,10 +157,7 @@ _zstd_load_impl(ZstdDecompressor *self, ZstdDict *zd,
                                        zd->dict_len);
     }
     else {
-        /* Impossible code path */
-        PyErr_SetString(PyExc_SystemError,
-                        "load_d_dict() impossible code path");
-        return -1;
+        Py_UNREACHABLE();
     }
 
     /* Check error */
-- 
2.47.3