testsuite/synth: add a test for #2035

2 files changed, 21 insertions, 0 deletions

diff --git a/testsuite/synth/issue2035/cdc_fifo_rtl.vhdl b/testsuite/synth/issue2035/cdc_fifo_rtl.vhdl
new file mode 100644
index 000000000..059804d69
--- /dev/null
+++ b/testsuite/synth/issue2035/cdc_fifo_rtl.vhdl
@@ -0,0 +1,13 @@
+
+ENTITY cdc_fifo IS
+END ENTITY cdc_fifo;
+
+LIBRARY IEEE;
+USE IEEE.std_logic_1164.ALL;
+
+ARCHITECTURE rtl OF cdc_fifo IS
+  SIGNAL ver_clk : std_logic;
+  ATTRIBUTE gclk : boolean;
+  ATTRIBUTE gclk OF ver_clk : SIGNAL is true;
+BEGIN
+END ARCHITECTURE;
diff --git a/testsuite/synth/issue2035/testsuite.sh b/testsuite/synth/issue2035/testsuite.sh
new file mode 100755
index 000000000..f1064aaca
--- /dev/null
+++ b/testsuite/synth/issue2035/testsuite.sh
@@ -0,0 +1,8 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+export GHDL_STD_FLAGS=--std=08
+synth -Werror cdc_fifo_rtl.vhdl -e > syn_cdc_fifo_rtl.vhdl
+
+echo "Test successful"