From fa6e65bbbe6cb025384a38c6b30b794f61214e00 Mon Sep 17 00:00:00 2001
From: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
Date: Thu, 25 Jun 2026 16:06:22 +0200
Subject: [PATCH] gh-148825: Fix build error if specialization is disabled
 (GH-148826) (cherry picked from commit
 56ae0b8e4f78c612f7b3095cd1c936e54ee0db5f)

Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
---
 .../2026-04-21-15-07-03.gh-issue-148825.AbJzmZ.rst             | 1 +
 Python/specialize.c                                            | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Core_and_Builtins/2026-04-21-15-07-03.gh-issue-148825.AbJzmZ.rst

diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-04-21-15-07-03.gh-issue-148825.AbJzmZ.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-04-21-15-07-03.gh-issue-148825.AbJzmZ.rst
new file mode 100644
index 000000000000000..5cf727b5d91fad1
--- /dev/null
+++ b/Misc/NEWS.d/next/Core_and_Builtins/2026-04-21-15-07-03.gh-issue-148825.AbJzmZ.rst
@@ -0,0 +1 @@
+Fix build error if specialization is disabled.
diff --git a/Python/specialize.c b/Python/specialize.c
index 459e69de5709b8a..fb75ca8d58e8511 100644
--- a/Python/specialize.c
+++ b/Python/specialize.c
@@ -113,7 +113,8 @@ _PyCode_Quicken(_Py_CODEUNIT *instructions, Py_ssize_t size, int enable_counters
     }
     #else
     for (Py_ssize_t i = 0; i < size-1; i++) {
-        if (instructions[i].op.code == GET_ITER) {
+        int opcode = instructions[i].op.code;
+        if (opcode == GET_ITER) {
             fixup_getiter(&instructions[i], flags);
         }
         i += _PyOpcode_Caches[opcode];