testsuite/gna: add a test for #1994

2 files changed, 26 insertions, 0 deletions

diff --git a/testsuite/gna/issue1994/tb.vhdl b/testsuite/gna/issue1994/tb.vhdl
new file mode 100644
index 000000000..fa5663903
--- /dev/null
+++ b/testsuite/gna/issue1994/tb.vhdl
@@ -0,0 +1,16 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity tb is
+end entity;
+
+architecture sim of tb is
+    signal clk : std_logic := '1';
+begin
+    clk <= not clk after 100 ms; -- period / 2;
+    process is
+    begin
+        wait until rising_edge(clk);
+    end process;
+end architecture;
diff --git a/testsuite/gna/issue1994/testsuite.sh b/testsuite/gna/issue1994/testsuite.sh
new file mode 100755
index 000000000..4ee9e994f
--- /dev/null
+++ b/testsuite/gna/issue1994/testsuite.sh
@@ -0,0 +1,10 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+analyze tb.vhdl
+elab_simulate tb
+
+clean
+
+echo "Test successful"