1 files changed, 5 insertions, 4 deletions
diff --git a/Objects/stringlib/eq.h b/Objects/stringlib/eq.h
index ff22f91..9c1058b 100644
--- a/Objects/stringlib/eq.h
+++ b/Objects/stringlib/eq.h
@@ -6,13 +6,14 @@
 Py_LOCAL_INLINE(int)
 unicode_eq(PyObject *aa, PyObject *bb)
 {
+    assert(PyUnicode_Check(aa));
+    assert(PyUnicode_Check(bb));
+    assert(PyUnicode_IS_READY(aa));
+    assert(PyUnicode_IS_READY(bb));
+
     PyUnicodeObject *a = (PyUnicodeObject *)aa;
     PyUnicodeObject *b = (PyUnicodeObject *)bb;
 
-    if (PyUnicode_READY(a) == -1 || PyUnicode_READY(b) == -1) {
-        Py_UNREACHABLE();
-    }
-
     if (PyUnicode_GET_LENGTH(a) != PyUnicode_GET_LENGTH(b))
         return 0;
     if (PyUnicode_GET_LENGTH(a) == 0)