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-rw-r--r--kernel/rtlil.cc5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index 83bbd7b17..f864d88c0 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -219,6 +219,11 @@ void RTLIL::Selection::optimize(RTLIL::Design *design)
}
}
+RTLIL::Design::Design()
+{
+ refcount_modules_ = 0;
+}
+
RTLIL::Design::~Design()
{
for (auto it = modules_.begin(); it != modules_.end(); it++)