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-rw-r--r--passes/opt/opt_clean.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/passes/opt/opt_clean.cc b/passes/opt/opt_clean.cc
index 21bda6e4..76a905b2 100644
--- a/passes/opt/opt_clean.cc
+++ b/passes/opt/opt_clean.cc
@@ -251,7 +251,7 @@ static void rmunused_module_signals(RTLIL::Module *module, bool purge_mode, bool
for (int i = 0; i < SIZE(sig); i++) {
if (sig[i].wire == NULL)
continue;
- if (!used_signals_nodrivers.check_any(sig)) {
+ if (!used_signals_nodrivers.check_any(sig[i])) {
if (!unused_bits.empty())
unused_bits += " ";
unused_bits += stringf("%zd", i);