4 files changed, 61 insertions, 0 deletions
diff --git a/testsuite/gna/ticket69/bug.vhdl b/testsuite/gna/ticket69/bug.vhdl
new file mode 100644
index 000000000..de6b082d0
--- /dev/null
+++ b/testsuite/gna/ticket69/bug.vhdl
@@ -0,0 +1,15 @@
+library ieee;
+use ieee.numeric_std.all;
+
+entity ent is
+end entity;
+
+architecture a of ent is
+begin
+  main : process
+    variable a,b : unsigned(0 downto 0);
+  begin
+    assert a = b; -- Works
+    assert ieee.numeric_std."="(a, b);
+  end process;
+end architecture;
diff --git a/testsuite/gna/ticket69/bug2.vhdl b/testsuite/gna/ticket69/bug2.vhdl
new file mode 100644
index 000000000..51caf3a00
--- /dev/null
+++ b/testsuite/gna/ticket69/bug2.vhdl
@@ -0,0 +1,15 @@
+library ieee;
+use ieee.numeric_std.all;
+
+entity ent is
+end entity;
+
+architecture a of ent is
+begin
+  main : process
+    variable a,b : unsigned(0 downto 0) := "1";
+  begin
+    assert a = b; -- Works
+    assert ieee.numeric_std."="(a, b);
+  end process;
+end architecture;
diff --git a/testsuite/gna/ticket69/repro.vhdl b/testsuite/gna/ticket69/repro.vhdl
new file mode 100644
index 000000000..daf9b472a
--- /dev/null
+++ b/testsuite/gna/ticket69/repro.vhdl
@@ -0,0 +1,19 @@
+library ieee;
+use ieee.numeric_std.all;
+
+entity ent is
+end entity;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture a of ent is
+begin
+  main : process
+    variable a,b : unsigned(0 downto 0) := "1";
+  begin
+    assert a = b; -- Works
+    assert ieee.numeric_std."="(a, b);
+    wait;
+  end process;
+end architecture;
diff --git a/testsuite/gna/ticket69/testsuite.sh b/testsuite/gna/ticket69/testsuite.sh
new file mode 100755
index 000000000..bf46cce77
--- /dev/null
+++ b/testsuite/gna/ticket69/testsuite.sh
@@ -0,0 +1,12 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+analyze bug.vhdl
+analyze repro.vhdl
+elab_simulate ent
+
+analyze_failure bug2.vhdl
+clean
+
+echo "Test successful"