fix compiler warning in assign to request array

scripts/errors/pt2pt/InvalidRequest.py

@@ -183,6 +183,8 @@ class InvalidPersistentRequestUsage(ErrorGenerator):
         tm.set_description("InvalidParam-Request-mpi_startall", "Starting an request twice")
 
         prev_req = start_call.get_arg("request")
+        if prev_req.startswith("&"):
+            prev_req = prev_req[1:]  # remove leading &
 
         tm.insert_instruction(Instruction("MPI_Request req_array[2];", rank=start_call.get_rank_executing()),
                               before_instruction=start_call)
@@ -205,6 +207,8 @@ class InvalidPersistentRequestUsage(ErrorGenerator):
         tm.set_description("InvalidParam-Request-mpi_startall", "array contains NULL")
 
         prev_req = start_call.get_arg("request")
+        if prev_req.startswith("&"):
+            prev_req = prev_req[1:]  # remove leading &
 
         tm.insert_instruction(Instruction("MPI_Request req_array[2];", rank=start_call.get_rank_executing()),
                               before_instruction=start_call)