testsuite/synth: add test for #1130.

Fix #1130

2 files changed, 33 insertions, 0 deletions

diff --git a/testsuite/synth/issue1127/foo.vhdl b/testsuite/synth/issue1127/foo.vhdl
new file mode 100644
index 000000000..4dbdbca86
--- /dev/null
+++ b/testsuite/synth/issue1127/foo.vhdl
@@ -0,0 +1,22 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity foo is
+  port (
+    addr : in integer;
+    nibble0 : out std_logic_vector(3 downto 0);
+    nibble1 : out std_logic_vector(3 downto 0)
+  );
+end foo;
+
+architecture foo of foo is
+
+  type data_array_t is array (3 downto 0) of std_logic_vector(7 downto 0);
+  signal data_buffer : data_array_t;
+
+begin
+
+  nibble0 <= data_buffer(addr)(3 downto 0);
+  nibble1 <= data_buffer(addr)(7 downto 4);
+
+end foo;
diff --git a/testsuite/synth/issue1127/testsuite.sh b/testsuite/synth/issue1127/testsuite.sh
new file mode 100755
index 000000000..9e68d3bed
--- /dev/null
+++ b/testsuite/synth/issue1127/testsuite.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for t in foo; do
+    synth $t.vhdl -e $t > syn_$t.vhdl
+    analyze syn_$t.vhdl
+    clean
+done
+
+echo "Test successful"