[dynamo] Support method calls on complex ConstantVariables (#161122)

Pull Request resolved: https://github.com/pytorch/pytorch/pull/161122
Approved by: https://github.com/mlazos, https://github.com/guilhermeleobas

torch/_dynamo/variables/builtin.py

@@ -308,6 +308,7 @@ class BuiltinVariable(VariableTracker):
             bool,
             callable,
             chr,
+            complex,
             divmod,
             float,
             getattr,
@@ -1478,21 +1479,6 @@ class BuiltinVariable(VariableTracker):
     call_int = _call_int_float
     call_float = _call_int_float
 
-    def call_complex(self, tx: "InstructionTranslator", *args, **kwargs):
-        if self.constant_args(*args, **kwargs):
-            try:
-                c = complex(
-                    *(arg.as_python_constant() for arg in args),
-                    **{k: kwargs[k].as_python_constant() for k in kwargs},
-                )
-            except (TypeError, ValueError) as exc:
-                raise_observed_exception(
-                    type(exc),
-                    tx,
-                    args=list(map(ConstantVariable.create, exc.args)),
-                )
-            return ConstantVariable(c)
-
     def call_bool(self, tx: "InstructionTranslator", arg):
         # Emulate `PyBool_Type.tp_vectorcall` which boils down to `PyObject_IsTrue`.
         # https://github.com/python/cpython/blob/3.12/Objects/object.c#L1674-L1697