testsuite/synth: add testcase for #1002.

2 files changed, 26 insertions, 0 deletions

diff --git a/testsuite/synth/issue1002/test.vhdl b/testsuite/synth/issue1002/test.vhdl
new file mode 100644
index 000000000..0e8750807
--- /dev/null
+++ b/testsuite/synth/issue1002/test.vhdl
@@ -0,0 +1,15 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.math_real.all;
+
+entity test is
+    generic (
+        BITS : positive := 2
+        );
+end entity test;
+
+architecture rtl of test is
+    constant count : positive := 2 ** BITS - 1;
+    subtype node_t is integer range 0 to count;
+begin
+end;
diff --git a/testsuite/synth/issue1002/testsuite.sh b/testsuite/synth/issue1002/testsuite.sh
new file mode 100755
index 000000000..dc5334e7e
--- /dev/null
+++ b/testsuite/synth/issue1002/testsuite.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for f in test; do
+  synth $f.vhdl -e $f > syn_$f.vhdl
+  analyze syn_$f.vhdl
+done
+clean
+
+echo "Test successful"