1 files changed, 25 insertions, 0 deletions
diff --git a/testsuite/gna/issue1768/repro.vhdl b/testsuite/gna/issue1768/repro.vhdl
new file mode 100644
index 000000000..2d2dda374
--- /dev/null
+++ b/testsuite/gna/issue1768/repro.vhdl
@@ -0,0 +1,25 @@
+package pkg is
+  function log2 (v : positive) return natural;
+end pkg;
+
+package body pkg is
+  function log2 (v : positive) return natural is
+  begin
+    return 2;
+  end log2;
+end pkg;
+
+use work.pkg.all;
+
+package repro is
+  constant W : natural := 8;
+  function f (vec : bit_vector(log2(W / 2) - 1 downto 0)) return bit;
+end repro;
+
+package body repro is
+  function f (vec : bit_vector(log2(W / 2) - 1 downto 0)) return bit is
+  begin
+    return '1';
+  end f;
+end repro;
+