2 files changed, 23 insertions, 0 deletions
diff --git a/testsuite/gna/bug21274/21274.vhd b/testsuite/gna/bug21274/21274.vhd
new file mode 100644
index 0000000..cf4c5aa
--- /dev/null
+++ b/testsuite/gna/bug21274/21274.vhd
@@ -0,0 +1,14 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity e is
+  generic(SIZE: INTEGER := 8);
+end entity e;
+
+architecture a of e is
+  signal bufreg: STD_LOGIC_VECTOR((2 * SIZE - 1) downto 0);
+  alias ADreg1 is bufreg((2 * SIZE - 1) downto SIZE);
+  alias ADreg2: std_logic_vector((2 * SIZE - 1) downto SIZE) is bufreg((2 * SIZE - 1) downto SIZE);
+
+begin
+end architecture;
diff --git a/testsuite/gna/bug21274/testsuite.sh b/testsuite/gna/bug21274/testsuite.sh
new file mode 100644
index 0000000..165c80c
--- /dev/null
+++ b/testsuite/gna/bug21274/testsuite.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+analyze 21274.vhd
+
+clean
+
+echo "Test successful"