From 3cd1a5d3ec487e23e3d976e7dd235329f04cfc73 Mon Sep 17 00:00:00 2001
From: Mark Shannon <mark@hotpy.org>
Date: Tue, 14 Jun 2022 11:09:30 +0100
Subject: GH-93516: Store offset of first traceable instruction in code object
 (GH-93769)

---
 Objects/codeobject.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'Objects/codeobject.c')

diff --git a/Objects/codeobject.c b/Objects/codeobject.c
index 2a2f132a6e..8ac4e9914f 100644
--- a/Objects/codeobject.c
+++ b/Objects/codeobject.c
@@ -339,6 +339,12 @@ init_code(PyCodeObject *co, struct _PyCodeConstructor *con)
     co->co_warmup = QUICKENING_INITIAL_WARMUP_VALUE;
     memcpy(_PyCode_CODE(co), PyBytes_AS_STRING(con->code),
            PyBytes_GET_SIZE(con->code));
+    int entry_point = 0;
+    while (entry_point < Py_SIZE(co) &&
+        _Py_OPCODE(_PyCode_CODE(co)[entry_point]) != RESUME) {
+        entry_point++;
+    }
+    co->_co_firsttraceable = entry_point;
 }
 
 static int
-- 
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