fix-bug-of-gather-drop-negatives-without-default-parameter

mindspore/ccsrc/pipeline/jit/pass.cc

@@ -485,8 +485,7 @@ std::vector<PassItem> kGePasses = {{"simplify_data_structures", SimplifyDataStru
                                    {"opt_prepare", PrepareGroup},
                                    {"cconv", CconvPass}};
 
-std::vector<PassItem> kPynativePasses = {{"opt_grad_epilogue", OptPassGradEpilogueGroup},
-                                         {"opt_a", OptPassAGroup},
+std::vector<PassItem> kPynativePasses = {{"opt_a", OptPassAGroup},
                                          {"opt_b", OptPassBGroup},
                                          {"cconv", CconvPass},
                                          {"transform_top", TransformTopGraphPass},

mindspore/ops/_grad/grad_array_ops.py

@@ -779,7 +779,8 @@ def get_bprop_unsorted_segment_sum(self):
     """Generate bprop for UnsortedSegmentSum"""
 
     def bprop(x, segment_ids, num_segments, out, dout):
-        return _gather_drop_negatives(dout, segment_ids)[0], zeros_like(segment_ids), zeros_like(num_segments)
+        return _gather_drop_negatives(dout, segment_ids, None, None)[0], zeros_like(segment_ids), \
+                zeros_like(num_segments)
 
     return bprop
 
@@ -827,7 +828,7 @@ def get_bprop_unsorted_segment_prod(self):
         gathered_non_zero_prod = gather(non_zero_prod, zero_clipped_indices, 0)
         prod_divided_by_x = gathered_prod / x
         partial_derivative = select(is_zero, gathered_non_zero_prod, prod_divided_by_x)
-        gathered_grad, _, _ = _gather_drop_negatives(grad, segment_ids, zero_clipped_indices)
+        gathered_grad, _, _ = _gather_drop_negatives(grad, segment_ids, zero_clipped_indices, None)
         dx = gathered_grad * partial_derivative
         return dx, zeros_like(segment_ids), zeros_like(num_segments)