1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index c48837691..a0ae8f082 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -428,7 +428,8 @@ struct RTLIL::Const
 	Const(std::string str);
 	Const(int val, int width = 32);
 	Const(RTLIL::State bit, int width = 1);
-	Const(std::vector<RTLIL::State> bits) : bits(bits) { flags = CONST_FLAG_NONE; };
+	Const(const std::vector<RTLIL::State> &bits) : bits(bits) { flags = CONST_FLAG_NONE; };
+	Const(const std::vector<bool> &bits);
 
 	bool operator <(const RTLIL::Const &other) const;
 	bool operator ==(const RTLIL::Const &other) const;