From c61ea87c72be6e5bd15be4797ea63dfe6fe97440 Mon Sep 17 00:00:00 2001
From: Mark Shannon <mark@hotpy.org>
Date: Wed, 13 Nov 2024 11:30:32 +0000
Subject: [PATCH 1/3] Reduce overhead of debug build for GC. Should help CI
 performance

---
 Python/gc.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Python/gc.c b/Python/gc.c
index 028657eb8999c1..fe81ca5989c621 100644
--- a/Python/gc.c
+++ b/Python/gc.c
@@ -23,6 +23,10 @@ typedef struct _gc_runtime_state GCState;
 #  define GC_DEBUG
 #endif
 
+// Define this when debugging the GC
+// #define GC_EXTRA_DEBUG
+
+
 #define GC_NEXT _PyGCHead_NEXT
 #define GC_PREV _PyGCHead_PREV
 
@@ -421,6 +425,11 @@ validate_list(PyGC_Head *head, enum flagstates flags)
     assert(prev == GC_PREV(head));
 }
 
+#else
+#define validate_list(x, y) do{}while(0)
+#endif
+
+#ifdef GC_EXTRA_DEBUG
 static void
 validate_old(GCState *gcstate)
 {
@@ -464,7 +473,6 @@ gc_list_validate_space(PyGC_Head *head, int space) {
 }
 
 #else
-#define validate_list(x, y) do{}while(0)
 #define validate_old(g) do{}while(0)
 #define validate_consistent_old_space(l) do{}while(0)
 #define gc_list_validate_space(l, s) do{}while(0)

From 5f53b91fd1be61a37533d178047aa54e0439ed9c Mon Sep 17 00:00:00 2001
From: Mark Shannon <mark@hotpy.org>
Date: Wed, 13 Nov 2024 11:37:41 +0000
Subject: [PATCH 2/3] Spurious change to force testing

---
 Doc/library/gc.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Doc/library/gc.rst b/Doc/library/gc.rst
index 1065ec30802841..c361e01c4e6d75 100644
--- a/Doc/library/gc.rst
+++ b/Doc/library/gc.rst
@@ -358,3 +358,6 @@ The following constants are provided for use with :func:`set_debug`:
    The debugging flags necessary for the collector to print information about a
    leaking program (equal to ``DEBUG_COLLECTABLE | DEBUG_UNCOLLECTABLE |
    DEBUG_SAVEALL``).
+
+
+Spurious change to force doctests to run in CI.

From 620b97d131bafa4090c592f0a608f4d7eab531a4 Mon Sep 17 00:00:00 2001
From: Mark Shannon <mark@hotpy.org>
Date: Wed, 13 Nov 2024 11:57:37 +0000
Subject: [PATCH 3/3] Revert spurious change

---
 Doc/library/gc.rst | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/Doc/library/gc.rst b/Doc/library/gc.rst
index c361e01c4e6d75..1065ec30802841 100644
--- a/Doc/library/gc.rst
+++ b/Doc/library/gc.rst
@@ -358,6 +358,3 @@ The following constants are provided for use with :func:`set_debug`:
    The debugging flags necessary for the collector to print information about a
    leaking program (equal to ``DEBUG_COLLECTABLE | DEBUG_UNCOLLECTABLE |
    DEBUG_SAVEALL``).
-
-
-Spurious change to force doctests to run in CI.