add an assertion to ensure that the size of each dim of the parameter to be...

add an assertion to ensure that the size of each dim of the parameter to be created is larger than 0. (#33265)

python/paddle/fluid/layer_helper_base.py

@@ -312,6 +312,10 @@ class LayerHelperBase(object):
         if not attr:
             return None
         assert isinstance(attr, ParamAttr)
+        for i, size in enumerate(shape):
+            assert size > 0, (
+                "Expected every dim's size to be larger than 0, "
+                "but the size of the {}-th dim is {}".format(i, size))
         # set global dtype
         if not dtype:
             dtype = self.__dtype