4 files changed, 46 insertions, 0 deletions
diff --git a/testsuite/synth/issue954/ent.vhdl b/testsuite/synth/issue954/ent.vhdl
new file mode 100644
index 000000000..333dfc568
--- /dev/null
+++ b/testsuite/synth/issue954/ent.vhdl
@@ -0,0 +1,10 @@
+entity ent is
+    port (
+        i : in bit
+    );
+end ent;
+
+architecture a of ent is
+begin
+end;
+
diff --git a/testsuite/synth/issue954/ent1.vhdl b/testsuite/synth/issue954/ent1.vhdl
new file mode 100644
index 000000000..d616b7653
--- /dev/null
+++ b/testsuite/synth/issue954/ent1.vhdl
@@ -0,0 +1,12 @@
+entity ent is
+    port (
+        i : in bit;
+        o : out bit
+    );
+end ent;
+
+architecture a of ent is
+begin
+  o <= i;
+end;
+
diff --git a/testsuite/synth/issue954/ent2.vhdl b/testsuite/synth/issue954/ent2.vhdl
new file mode 100644
index 000000000..503a41e6e
--- /dev/null
+++ b/testsuite/synth/issue954/ent2.vhdl
@@ -0,0 +1,13 @@
+entity ent is
+    port (
+        i : in bit;
+        i2 : bit;
+        o : out bit
+    );
+end ent;
+
+architecture a of ent is
+begin
+  o <= i or i2;
+end;
+
diff --git a/testsuite/synth/issue954/testsuite.sh b/testsuite/synth/issue954/testsuite.sh
new file mode 100755
index 000000000..54e687d28
--- /dev/null
+++ b/testsuite/synth/issue954/testsuite.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for f in ent; do
+  synth $f.vhdl -e $f > syn_$f.vhdl
+#  analyze syn_$f.vhdl
+done
+clean
+
+echo "Test successful"