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sim: Avoid a crash on empty cell connection. 

Fixes #2513.
This commit is contained in:
Marcelina Kościelnicka 2021-03-01 20:01:39 +01:00
parent 760284033d
commit c00a29296c
1 changed files with 1 additions and 1 deletions
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2
passes/sat/sim.cc
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@ -271,7 +271,7 @@ struct SimInstance
{ {
auto child = children.at(cell); auto child = children.at(cell);
for (auto &conn: cell->connections()) for (auto &conn: cell->connections())
if (cell->input(conn.first)) { if (cell->input(conn.first) && GetSize(conn.second)) {
Const value = get_state(conn.second); Const value = get_state(conn.second);
child->set_state(child->module->wire(conn.first), value); child->set_state(child->module->wire(conn.first), value);
} }