1 files changed, 22 insertions, 0 deletions
diff --git a/testsuite/gna/issue922/dut.vhdl b/testsuite/gna/issue922/dut.vhdl
new file mode 100644
index 000000000..acb8c951f
--- /dev/null
+++ b/testsuite/gna/issue922/dut.vhdl
@@ -0,0 +1,22 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity dut is
+generic (
+    adr_width : positive := 16
+);
+end entity dut;
+architecture rtl of dut is
+    function deser(b : bit_vector) return bit_vector is
+        variable ab : bit_vector(adr_width-1 downto 0);
+        variable ba : bit_vector(adr_width-1 downto 0);
+    begin
+        -- Below causes crash
+        (ab, ba) := b;
+        return ab&ba;
+    end function;
+    signal s1 : bit_vector(adr_width*2-1 downto 0);
+    signal s2 : bit_vector(adr_width-1 downto 0);
+begin
+    s1 <= deser(s2);
+end architecture rtl;