https://github.com/python/cpython/commit/ae04b6f63640606a3212c9da21b87ebc374136e1
commit: ae04b6f63640606a3212c9da21b87ebc374136e1
branch: 3.13
author: Nadeshiko Manju <[email protected]>
committer: Fidget-Spinner <[email protected]>
date: 2024-06-20T01:40:48+08:00
summary:

 [3.13] gh-120437: Fix `_CHECK_STACK_SPACE` optimization problems introduced in 
gh-118322 (GH-120712) (#120747)

[3.13] gh-120437: Fix `_CHECK_STACK_SPACE` optimization problems introduced in 
gh-118322 (GH-120712)

Signed-off-by: Manjusaka <[email protected]>
Co-authored-by: Ken Jin <[email protected]>

files:
A Misc/NEWS.d/next/Core and 
Builtins/2024-06-19-01-58-54.gh-issue-120437.nCkIoI.rst
M Python/optimizer_bytecodes.c
M Python/optimizer_cases.c.h

diff --git a/Misc/NEWS.d/next/Core and 
Builtins/2024-06-19-01-58-54.gh-issue-120437.nCkIoI.rst b/Misc/NEWS.d/next/Core 
and Builtins/2024-06-19-01-58-54.gh-issue-120437.nCkIoI.rst
new file mode 100644
index 00000000000000..8923f3fcefe3c1
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and 
Builtins/2024-06-19-01-58-54.gh-issue-120437.nCkIoI.rst 
@@ -0,0 +1 @@
+Fix ``_CHECK_STACK_SPACE`` optimization problems introduced in :gh:`118322`.
diff --git a/Python/optimizer_bytecodes.c b/Python/optimizer_bytecodes.c
index 928bc03382b8fb..2d61fa3b8257f4 100644
--- a/Python/optimizer_bytecodes.c
+++ b/Python/optimizer_bytecodes.c
@@ -634,7 +634,6 @@ dummy_func(void) {
         (void)callable;
         (void)self_or_null;
         (void)args;
-        first_valid_check_stack = NULL;
         goto done;
     }
 
diff --git a/Python/optimizer_cases.c.h b/Python/optimizer_cases.c.h
index 6c2480d4fdfe89..621a48f2fc9105 100644
--- a/Python/optimizer_cases.c.h
+++ b/Python/optimizer_cases.c.h
@@ -1565,7 +1565,6 @@
             (void)callable;
             (void)self_or_null;
             (void)args;
-            first_valid_check_stack = NULL;
             goto done;
             stack_pointer[-2 - oparg] = (_Py_UopsSymbol *)new_frame;
             stack_pointer += -1 - oparg;

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