1 files changed, 12 insertions, 0 deletions
diff --git a/test/errors/gender/ReadOutput.fir b/test/errors/gender/ReadOutput.fir
new file mode 100644
index 00000000..14ac75c1
--- /dev/null
+++ b/test/errors/gender/ReadOutput.fir
@@ -0,0 +1,12 @@
+; RUN: firrtl -i %s -o %s.v -X verilog -p c 2>&1 | tee %s.out | FileCheck %s
+; CHECK: Expression out$y is used as a sink but can only be used as a source.
+
+circuit BTB :
+  module BTB : 
+    output out : {x : UInt<1>, flip y : UInt<1>}
+
+    wire w : {x : UInt<1>, flip y : UInt<1>}
+    w.x := UInt(1)
+    w.y := UInt(1)
+    out.x := UInt(1)
+    w <> out