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authorTomas R. <tomas.roun8@gmail.com>2025-05-08 23:26:30 +0200
committerGitHub <noreply@github.com>2025-05-08 14:26:30 -0700
commitc492ac72525ea5887082ee991b45cc237cd02a40 (patch)
tree852add3d5172f601aa96d67d83466b882b78015d /Python/specialize.c
parentb2fabce6abb24b2f2c3afae0edc5eb53729fc624 (diff)
downloadcpython-c492ac72525ea5887082ee991b45cc237cd02a40.tar.gz
cpython-c492ac72525ea5887082ee991b45cc237cd02a40.zip
GH-131798: Split up and optimize CALL_ISINSTANCE (GH-133339)
Diffstat (limited to 'Python/specialize.c')
-rw-r--r--Python/specialize.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Python/specialize.c b/Python/specialize.c
index bbe725c8ec8..06995d46d8b 100644
--- a/Python/specialize.c
+++ b/Python/specialize.c
@@ -2158,7 +2158,7 @@ specialize_c_call(PyObject *callable, _Py_CODEUNIT *instr, int nargs)
if (nargs == 2) {
/* isinstance(o1, o2) */
PyInterpreterState *interp = _PyInterpreterState_GET();
- if (callable == interp->callable_cache.isinstance) {
+ if (callable == interp->callable_cache.isinstance && instr->op.arg == 2) {
specialize(instr, CALL_ISINSTANCE);
return 0;
}