3 files changed, 46 insertions, 0 deletions
diff --git a/testsuite/gna/issue2031/entity.vhdl b/testsuite/gna/issue2031/entity.vhdl
new file mode 100644
index 000000000..3af6aef9d
--- /dev/null
+++ b/testsuite/gna/issue2031/entity.vhdl
@@ -0,0 +1,15 @@
+library IEEE;
+use IEEE.std_logic_1164.all;
+
+entity abc is
+    port(
+        a : std_logic;
+        b : std_logic;
+        c : out std_logic
+    );
+end entity;
+
+architecture arch of abc is
+begin
+    c <= a and b;
+end architecture;
diff --git a/testsuite/gna/issue2031/testbench.vhdl b/testsuite/gna/issue2031/testbench.vhdl
new file mode 100644
index 000000000..3807e4485
--- /dev/null
+++ b/testsuite/gna/issue2031/testbench.vhdl
@@ -0,0 +1,20 @@
+library Bugtests;
+use Bugtests.abc.all;
+
+library IEEE;
+use IEEE.std_logic_1164.all;
+
+entity test is
+
+end entity;
+
+architecture arch_test of test is 
+    signal tb : std_logic;
+begin
+    DUT: entity Bugtests.abc
+    port map(
+        a => '1',
+        b => '0',
+        c => tb
+    );
+end architecture;
diff --git a/testsuite/gna/issue2031/testsuite.sh b/testsuite/gna/issue2031/testsuite.sh
new file mode 100755
index 000000000..2aa5ab035
--- /dev/null
+++ b/testsuite/gna/issue2031/testsuite.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+analyze --work=bugtests entity.vhdl
+analyze_failure --work=bugtests testbench.vhdl 2> testbench.err
+grep "prefix must designate" testbench.err | grep "testbench.vhdl"
+
+clean bugtests
+
+echo "Test successful"