From bb29dc5b5e1e4aa0acf0352f8939b59fdc1513dd Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Thu, 7 Jan 2016 19:50:07 +0100
Subject: Add testcase for issue15.

---
 testsuite/gna/issue15/testsuite.sh      | 11 +++++++++++
 testsuite/gna/issue15/to_slv_issue.vhdl | 21 +++++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100755 testsuite/gna/issue15/testsuite.sh
 create mode 100644 testsuite/gna/issue15/to_slv_issue.vhdl

diff --git a/testsuite/gna/issue15/testsuite.sh b/testsuite/gna/issue15/testsuite.sh
new file mode 100755
index 000000000..34cbe5b2a
--- /dev/null
+++ b/testsuite/gna/issue15/testsuite.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+GHDL_STD_FLAGS=--std=08
+analyze to_slv_issue.vhdl
+elab_simulate to_slv_issue
+
+clean
+
+echo "Test successful"
diff --git a/testsuite/gna/issue15/to_slv_issue.vhdl b/testsuite/gna/issue15/to_slv_issue.vhdl
new file mode 100644
index 000000000..6ab5c2c3a
--- /dev/null
+++ b/testsuite/gna/issue15/to_slv_issue.vhdl
@@ -0,0 +1,21 @@
+library ieee ; 
+use ieee.numeric_std_unsigned.to_slv ; 
+use ieee.std_logic_1164.all ; 
+use std.textio.all ; 
+
+entity to_slv_issue is
+end entity to_slv_issue ;
+architecture doit of to_slv_issue is
+begin
+  process 
+    variable buf : line ; 
+  begin
+    for i in 9 to 17 loop 
+      hwrite(buf, to_slv(i,8)) ;
+      writeline(OUTPUT, buf) ; 
+    end loop ;
+    wait ; 
+  end process ;
+end architecture doit ; 
+
+
-- 
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