[PIR] Fix while exe bug

paddle/fluid/framework/new_executor/instruction/control_flow/tuple_pop_instruction.cc

@@ -95,7 +95,7 @@ void ShareVarData(const Variable* src_var, Variable* dst_var) {
   } else if (src_var->IsType<phi::TensorArray>()) {
     auto src_tensor_array = src_var->Get<phi::TensorArray>();
     auto* dst_tensor_array = dst_var->GetMutable<phi::TensorArray>();
-    if (src_tensor_array.numel() == 0) return;
+    if (src_tensor_array.size() == 0) return;
     dst_tensor_array->clear();
     for (auto src_tensor : src_tensor_array) {
       phi::DenseTensor* tmp_dst_tensor = new phi::DenseTensor();

paddle/fluid/framework/new_executor/instruction/control_flow/while_instruction.cc

@@ -70,6 +70,21 @@ WhileInstruction::WhileInstruction(
   GetInputIds(op, *parent_exe_info, &inputs);
   auto body_outside_inputs =
       GetExternalInputs(body_block_, *parent_exe_info, &inputs);
+  // NOTE(chenxi67): the variable corresponding to container value if a
+  // <VariableRefArray> Type. It will recursively get the ID of internal
+  // variables when use GetValueId() method. However, the copy_var pushed into
+  // the tuple does not have a corresponding ID, and will insert a -1. Here we
+  // remove the value of -1.
+  for (auto& item : inputs) {
+    auto& var_vec = item.second;
+    for (auto it = var_vec.begin(); it != var_vec.end();) {
+      if (*it == -1) {
+        it = var_vec.erase(it);
+      } else {
+        ++it;
+      }
+    }
+  }
   SetInputs(inputs);
 
   std::unordered_map<pir::Value, std::vector<int>> outputs;