4 files changed, 146 insertions, 0 deletions
diff --git a/testsuite/gna/bug0109/err.vhdl b/testsuite/gna/bug0109/err.vhdl
new file mode 100644
index 000000000..80bb88d69
--- /dev/null
+++ b/testsuite/gna/bug0109/err.vhdl
@@ -0,0 +1,33 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.fixed_pkg.all;
+
+
+entity phz_calc is
+end entity phz_calc;
+
+architecture behavioral of phz_calc is
+    function to_string (inp: sfixed) return string is
+        variable image_str: string (1 to inp'length + 1);
+        variable j: integer range 1 to image_str'length + 1;
+    begin
+        j := 1;
+        for i in inp'range loop
+            if i = -1 then
+                image_str(j) := '.';
+                j := j + 1;
+            end if;
+            image_str(j) := character'VALUE(std_ulogic'IMAGE(inp(i)));
+            j := j + 1;
+        end loop;
+        return image_str;
+    end function;
+begin
+    process
+        variable z: sfixed (3 downto -3);
+    begin
+        z := to_sfixed(3.2,3,-3);
+        report "z = " & to_string (z);
+        wait;
+    end process;
+end architecture behavioral;
diff --git a/testsuite/gna/bug0109/ok.vhdl b/testsuite/gna/bug0109/ok.vhdl
new file mode 100644
index 000000000..487fe2647
--- /dev/null
+++ b/testsuite/gna/bug0109/ok.vhdl
@@ -0,0 +1,60 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+package foo_pkg is
+    type unresolved_sfixed is array (integer range <>) of std_ulogic;
+    subtype sfixed is (resolved) UNRESOLVED_sfixed;
+    function to_string (inp: unresolved_sfixed) return string;
+end package foo_pkg;
+
+package body foo_pkg is
+    function to_string (inp: unresolved_sfixed) return string is
+        variable image_str: string (1 to inp'length + 1);
+        variable j: integer range 1 to image_str'length + 1;
+    begin
+        j := 1;
+        for i in inp'range loop
+            
+            if i = -1 then
+                image_str(j) := ',';
+                j := j + 1;
+            end if;
+            image_str(j) := character'VALUE(std_ulogic'IMAGE(inp(i)));
+            j := j + 1;
+        end loop;
+        return image_str;
+    end function;
+end package body foo_pkg;
+
+library ieee;
+use ieee.std_logic_1164.all;
+use work.foo_pkg.all;
+
+entity foo is
+end entity;
+
+architecture fum of foo is
+    constant sfixed_val:    sfixed (3 downto -4):= x"da";
+    function to_string (inp: sfixed) return string is
+        variable image_str: string (1 to inp'length + 1);
+        variable j: integer range 1 to image_str'length + 1;
+    begin
+        j := 1;
+        for i in inp'range loop
+            
+            if i = -1 then
+                image_str(j) := '.';
+                j := j + 1;
+            end if;
+            image_str(j) := character'VALUE(std_ulogic'IMAGE(inp(i)));
+            j := j + 1;
+        end loop;
+        return image_str;
+    end function;
+begin
+    process
+    begin
+        report "sfixed_val = " & to_string(sfixed_val);
+        wait;
+    end process;
+end architecture;
diff --git a/testsuite/gna/bug0109/repro.vhdl b/testsuite/gna/bug0109/repro.vhdl
new file mode 100644
index 000000000..6e46376ff
--- /dev/null
+++ b/testsuite/gna/bug0109/repro.vhdl
@@ -0,0 +1,36 @@
+package my_pkg_gen is
+  generic (type el_type);
+  
+  type sfixed is array (integer range <>) of el_type;
+  function to_string (inp: sfixed) return string;
+end my_pkg_gen;
+
+package body my_pkg_gen is
+  function to_string (inp: sfixed) return string is
+  begin
+    return "image-pkg";
+  end to_string;
+end my_pkg_gen;
+
+package my_pkg is new work.my_pkg_gen generic map (el_type => bit);
+
+
+
+use work.my_pkg.all;
+entity repro is
+end;
+
+architecture behavioral of repro is
+    function to_string (inp: sfixed) return string is
+    begin
+      return "image-ent";
+    end function;
+begin
+    process
+        variable z: sfixed (3 downto -3);
+    begin
+        z := "1111000";
+        report "z = " & to_string (z);
+        wait;
+    end process;
+end architecture behavioral;
diff --git a/testsuite/gna/bug0109/testsuite.sh b/testsuite/gna/bug0109/testsuite.sh
new file mode 100755
index 000000000..e83e9f4d7
--- /dev/null
+++ b/testsuite/gna/bug0109/testsuite.sh
@@ -0,0 +1,17 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+export GHDL_STD_FLAGS=--std=08
+analyze repro.vhdl
+elab_simulate repro
+
+analyze err.vhdl
+elab_simulate phz_calc
+
+analyze ok.vhdl
+elab_simulate foo
+
+clean
+
+echo "Test successful"