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authorTian Gao <gaogaotiantian@hotmail.com>2024-04-29 08:54:52 (GMT)
committerGitHub <noreply@github.com>2024-04-29 08:54:52 (GMT)
commit375c94c75dd9eaefaddd89a7f704a031441af286 (patch)
treed0de838e2aac579a125283531a4042bf178c2bfd /Python/legacy_tracing.c
parentc7e7bfc4ca26bf90e0d4959e303770fbfc3a3795 (diff)
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gh-107674: Lazy load line number to improve performance of tracing (GH-118127)
Diffstat (limited to 'Python/legacy_tracing.c')
-rw-r--r--Python/legacy_tracing.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/Python/legacy_tracing.c b/Python/legacy_tracing.c
index b5a1740..7411803 100644
--- a/Python/legacy_tracing.c
+++ b/Python/legacy_tracing.c
@@ -174,6 +174,7 @@ call_trace_func(_PyLegacyEventHandler *self, PyObject *arg)
Py_INCREF(frame);
int err = tstate->c_tracefunc(tstate->c_traceobj, frame, self->event, arg);
+ frame->f_lineno = 0;
Py_DECREF(frame);
if (err) {
return NULL;