Add testcase for #598

2 files changed, 31 insertions, 0 deletions

diff --git a/testsuite/gna/issue598/tb.vhd b/testsuite/gna/issue598/tb.vhd
new file mode 100644
index 000000000..3761a6233
--- /dev/null
+++ b/testsuite/gna/issue598/tb.vhd
@@ -0,0 +1,20 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity tb is
+end entity;
+
+architecture tb of tb is
+begin
+    process
+        constant a : std_logic_vector(3 downto 0) := x"A";
+        variable b : std_logic_vector(3 downto 0) := x"B";
+    begin
+        report to_string(b); -- OK
+        report to_string(a); -- fails
+	assert to_string(a) = "1010";
+	assert to_string(b) = "1011";
+	wait;
+    end process;
+end architecture;
+
diff --git a/testsuite/gna/issue598/testsuite.sh b/testsuite/gna/issue598/testsuite.sh
new file mode 100755
index 000000000..6a2798958
--- /dev/null
+++ b/testsuite/gna/issue598/testsuite.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+export GHDL_STD_FLAGS=--std=08
+analyze tb.vhd
+elab_simulate tb
+
+clean
+
+echo "Test successful"