3 files changed, 50 insertions, 0 deletions
diff --git a/testsuite/synth/issue1046/concat01.vhdl b/testsuite/synth/issue1046/concat01.vhdl
new file mode 100644
index 000000000..12f817d8d
--- /dev/null
+++ b/testsuite/synth/issue1046/concat01.vhdl
@@ -0,0 +1,14 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity concat01 is
+  generic (a : std_logic_vector (7 downto 0) := x"ab";
+           b : std_logic_vector (7 downto 0) := x"9e");
+  port (res : out std_logic_vector (15 downto 0));
+end concat01;
+
+architecture behav of concat01 is
+  constant c : std_logic_vector := a & b;
+begin
+  res <= c;
+end behav;
diff --git a/testsuite/synth/issue1046/tb_concat01.vhdl b/testsuite/synth/issue1046/tb_concat01.vhdl
new file mode 100644
index 000000000..1c6f25cc2
--- /dev/null
+++ b/testsuite/synth/issue1046/tb_concat01.vhdl
@@ -0,0 +1,20 @@
+entity tb_concat01 is
+end tb_concat01;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_concat01 is
+  signal a : std_logic_vector(15 downto 0);
+begin
+  dut: entity work.concat01
+    port map (a);
+
+  process
+  begin
+    wait for 1 ns;
+    assert a = x"ab9e" severity failure;
+
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/issue1046/testsuite.sh b/testsuite/synth/issue1046/testsuite.sh
new file mode 100755
index 000000000..0ad6d0e90
--- /dev/null
+++ b/testsuite/synth/issue1046/testsuite.sh
@@ -0,0 +1,16 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for t in concat01; do
+    analyze $t.vhdl tb_$t.vhdl
+    elab_simulate tb_$t
+    clean
+
+    synth $t.vhdl -e $t > syn_$t.vhdl
+    analyze syn_$t.vhdl tb_$t.vhdl
+    elab_simulate tb_$t --ieee-asserts=disable-at-0
+    clean
+done
+
+echo "Test successful"