1 files changed, 20 insertions, 0 deletions
diff --git a/testsuite/gna/issue641/repro4.vhdl b/testsuite/gna/issue641/repro4.vhdl
new file mode 100644
index 000000000..b1bc34c6a
--- /dev/null
+++ b/testsuite/gna/issue641/repro4.vhdl
@@ -0,0 +1,20 @@
+entity repro4b is
+  port (b : bit_vector);
+end entity;
+
+architecture a of repro4b is
+  signal c : b'subtype;
+begin
+  c <= (others => '0');
+end architecture;
+
+entity repro4 is
+end entity;
+
+architecture tb of repro4 is
+  signal s : bit_vector(7 downto 0);
+begin
+  DUT: entity work.repro4b
+    port map (b => s);
+end architecture;
+