testsuite/synth: add a test for #1144

2 files changed, 25 insertions, 0 deletions

diff --git a/testsuite/synth/issue1144/issue.vhdl b/testsuite/synth/issue1144/issue.vhdl
new file mode 100644
index 000000000..ca9721b75
--- /dev/null
+++ b/testsuite/synth/issue1144/issue.vhdl
@@ -0,0 +1,14 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity issue is
+    port (i_data     : in  std_logic_vector(8 downto 0);
+          o_data     : out std_logic_vector(3 downto 0);
+          clock      : in  std_logic);
+end issue;
+
+architecture rtl of issue is
+    alias i_hi is i_data(3 downto 0);
+begin
+        o_data <= i_hi;
+end architecture;
diff --git a/testsuite/synth/issue1144/testsuite.sh b/testsuite/synth/issue1144/testsuite.sh
new file mode 100755
index 000000000..ce1265354
--- /dev/null
+++ b/testsuite/synth/issue1144/testsuite.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for t in issue; do
+    synth $t.vhdl -e $t > syn_$t.vhdl
+    analyze syn_$t.vhdl
+    clean
+done
+
+echo "Test successful"