[Cherry-pick][Dy2Stat] Fix unique_name in create_static_variable_gast_node (#33963) (#33980)

Bug fixes， [Cherry-pick][Dy2Stat] Fix unique_name in create_static_variable_gast_node (#33963)

python/paddle/fluid/dygraph/dygraph_to_static/variable_trans_func.py

@@ -18,6 +18,7 @@ import six
 import gast
 
 from paddle.fluid import core
+from paddle.fluid import unique_name
 from paddle.fluid.framework import Variable
 from paddle.fluid.layers import fill_constant
 from paddle.fluid.layer_helper import LayerHelper
@@ -84,7 +85,7 @@ def to_static_variable_gast_node(name):
 def create_static_variable_gast_node(name):
     func_code = "{} = paddle.jit.dy2static\
         .data_layer_not_check(name='{}', shape=[-1], dtype='float32')".format(
-        name, name)
+        name, unique_name.generate(name))
     return gast.parse(func_code).body[0]