3 files changed, 36 insertions, 0 deletions
diff --git a/testsuite/gna/issue649/ice.vhdl b/testsuite/gna/issue649/ice.vhdl
new file mode 100644
index 000000000..47b5d3bdd
--- /dev/null
+++ b/testsuite/gna/issue649/ice.vhdl
@@ -0,0 +1,11 @@
+entity e is end entity;
+library ieee;
+architecture h of e is
+  constant L :positive := integer(ieee.math_real.ceil(9.9));
+  signal   s :bit_vector(31 downto 0);
+  alias    a :bit_vector(L-1 downto 2) is s(L-1 downto 2);
+  signal   b :bit_vector(L-1 downto 2);
+begin
+  a <= b;
+end architecture;
+
diff --git a/testsuite/gna/issue649/repro.vhdl b/testsuite/gna/issue649/repro.vhdl
new file mode 100644
index 000000000..fe23ad7f7
--- /dev/null
+++ b/testsuite/gna/issue649/repro.vhdl
@@ -0,0 +1,12 @@
+entity repro is
+end entity;
+
+architecture h of repro is
+  constant L :positive := 9 + now / 1 ns;
+  signal   s :bit_vector(31 downto 0);
+  alias    a :bit_vector(L-1 downto 2) is s(L-1 downto 2);
+  signal   b :bit_vector(L-1 downto 2);
+begin
+  a <= b;
+end architecture;
+
diff --git a/testsuite/gna/issue649/testsuite.sh b/testsuite/gna/issue649/testsuite.sh
new file mode 100755
index 000000000..4f0865456
--- /dev/null
+++ b/testsuite/gna/issue649/testsuite.sh
@@ -0,0 +1,13 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+analyze ice.vhdl
+elab_simulate e
+
+analyze repro.vhdl
+elab_simulate repro
+
+clean
+
+echo "Test successful"