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-rw-r--r--passes/techmap/techmap.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc
index 73da6ce1d..e109c5b58 100644
--- a/passes/techmap/techmap.cc
+++ b/passes/techmap/techmap.cc
@@ -281,7 +281,7 @@ struct TechmapWorker
SigMap sigmap(module);
- TopoSort<RTLIL::Cell*> cells;
+ TopoSort<RTLIL::Cell*, RTLIL::IdString::compare_ptr_by_name<RTLIL::Cell>> cells;
std::map<RTLIL::Cell*, std::set<RTLIL::SigBit>> cell_to_inbit;
std::map<RTLIL::SigBit, std::set<RTLIL::Cell*>> outbit_to_cell;