May 19, 2025 · Apr 26, 2025 · Apr 26, 2025 · Apr 29, 2025 · May 8, 2025 · May 8, 2025
diff --git a/Python/optimizer_bytecodes.c b/Python/optimizer_bytecodes.c
        }
    }

    op(_CALL_ISINSTANCE, (callable, null, instance, cls -- res)) {
    op(_CALL_ISINSTANCE, (unused, unused, instance, cls -- res)) {
        // the result is always a bool, but sometimes we can
        // narrow it down to True or False
        res = sym_new_type(ctx, &PyBool_Type);
Original file line number	Diff line number	Diff line change
Expand Up		@@ -890,7 +890,7 @@ dummy_func(void) {
		}
		}

		op(_CALL_ISINSTANCE, (callable, null, instance, cls -- res)) {
		op(_CALL_ISINSTANCE, (unused, unused, instance, cls -- res)) {
		// the result is always a bool, but sometimes we can
		// narrow it down to True or False
		res = sym_new_type(ctx, &PyBool_Type);
Expand Down