testsuite/synth: add a test for #2125

1 files changed, 26 insertions, 0 deletions

diff --git a/testsuite/synth/issue2125/afed.vhdl b/testsuite/synth/issue2125/afed.vhdl
new file mode 100644
index 000000000..341545eb8
--- /dev/null
+++ b/testsuite/synth/issue2125/afed.vhdl
@@ -0,0 +1,26 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity afed is
+  port (
+    sig : in  std_logic;
+    ack : in  std_logic;
+    fe  : out std_logic
+  );
+end entity;
+
+architecture behaviour of afed is
+
+  signal fe_h : std_logic;
+  signal fe_l : std_logic;
+
+begin
+
+  fe_h <= '0' when ack = '1' else
+          '1' when sig = '1';
+  fe_l <= '0' when ack = '1' else
+          '1' when sig = '0' and fe_h = '1';
+
+  fe <= fe_l;
+
+end architecture;