From ca99bfdefb7093d9287353b7d1db97222a414b0e Mon Sep 17 00:00:00 2001
From: Ken Jin <kenjin@python.org>
Date: Sat, 24 Jan 2026 17:36:40 +0800
Subject: [PATCH] gh-144016: Fix bad stack assert in the JIT optimizer
 (GH-144019)

---
 Python/optimizer_analysis.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Python/optimizer_analysis.c b/Python/optimizer_analysis.c
index c6a1ae60a31..6c381ab184f 100644
--- a/Python/optimizer_analysis.c
+++ b/Python/optimizer_analysis.c
@@ -507,7 +507,7 @@ optimize_uops(
             *(ctx->out_buffer.next++) = *this_instr;
         }
         assert(ctx->frame != NULL);
-        if (!CURRENT_FRAME_IS_INIT_SHIM()) {
+        if (!CURRENT_FRAME_IS_INIT_SHIM() && !ctx->done) {
             DPRINTF(3, " stack_level %d\n", STACK_LEVEL());
             ctx->frame->stack_pointer = stack_pointer;
             assert(STACK_LEVEL() >= 0);