https://github.com/python/cpython/commit/ca99bfdefb7093d9287353b7d1db97222a414b0e
commit: ca99bfdefb7093d9287353b7d1db97222a414b0e
branch: main
author: Ken Jin <[email protected]>
committer: Fidget-Spinner <[email protected]>
date: 2026-01-24T09:36:40Z
summary:
gh-144016: Fix bad stack assert in the JIT optimizer (GH-144019)
files:
M Python/optimizer_analysis.c
diff --git a/Python/optimizer_analysis.c b/Python/optimizer_analysis.c
index c6a1ae60a317fa..6c381ab184fd85 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);
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