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-rw-r--r--tests/opt/bug2623.ys14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/opt/bug2623.ys b/tests/opt/bug2623.ys
new file mode 100644
index 000000000..2ff23ea6f
--- /dev/null
+++ b/tests/opt/bug2623.ys
@@ -0,0 +1,14 @@
+read_rtlil << EOT
+
+module \top
+ wire output 1 \a
+ wire width 0 $dummy
+ cell \abc \abc
+ connect \a \a
+ connect \b $dummy
+ end
+end
+
+EOT
+
+opt_clean