testsuite/gna: add a test for Wuseless warning. For #1832

2 files changed, 26 insertions, 0 deletions

diff --git a/testsuite/gna/issue1832/psl.vhdl b/testsuite/gna/issue1832/psl.vhdl
new file mode 100644
index 000000000..4d005d5ef
--- /dev/null
+++ b/testsuite/gna/issue1832/psl.vhdl
@@ -0,0 +1,21 @@
+library ieee;
+  use ieee.std_logic_1164.all;
+
+
+entity issue is
+  port (
+    clk : in std_logic;
+    a, b : in std_logic
+  );
+end entity issue;
+
+
+architecture psl of issue is
+begin
+
+  -- All is sensitive to rising edge of clk
+  default clock is rising_edge(clk);
+
+  -- This assertion should hold
+  INF_a : assert always {a} |=> {not b[*0 to inf]; b};
+end architecture psl;
diff --git a/testsuite/gna/issue1832/testsuite.sh b/testsuite/gna/issue1832/testsuite.sh
index 197a21ff9..458947150 100755
--- a/testsuite/gna/issue1832/testsuite.sh
+++ b/testsuite/gna/issue1832/testsuite.sh
@@ -3,6 +3,11 @@
 . ../../testenv.sh
 
 export GHDL_STD_FLAGS=--std=08
+analyze_failure -Werror psl.vhdl
+analyze psl.vhdl
+
+clean
+
 analyze issue.vhdl
 elab_simulate issue