Replace `std::set` with `pool` for `cell_to_inbit` and `outbit_to_cell`.

diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc
index 17d98847ebbc3b039be127ce799f7e27d8669141..ab719cbaab349c823f9cad9e58ff0ed3d2fee6c3 100644 (file)
--- a/passes/techmap/techmap.cc
+++ b/passes/techmap/techmap.cc
@@ -490,8 +490,8 @@ struct TechmapWorker
                }
 
                TopoSort<RTLIL::Cell*, IdString::compare_ptr_by_name<RTLIL::Cell>> cells;
-               dict<RTLIL::Cell*, std::set<RTLIL::SigBit>> cell_to_inbit;
-               dict<RTLIL::SigBit, std::set<RTLIL::Cell*>> outbit_to_cell;
+               dict<RTLIL::Cell*, pool<RTLIL::SigBit>> cell_to_inbit;
+               dict<RTLIL::SigBit, pool<RTLIL::Cell*>> outbit_to_cell;
 
                for (auto cell : module->selected_cells())
                {