testsuite/synth: add a test for #2139

2 files changed, 26 insertions, 0 deletions

diff --git a/testsuite/synth/issue2139/repro.vhdl b/testsuite/synth/issue2139/repro.vhdl
new file mode 100644
index 000000000..e38f2562d
--- /dev/null
+++ b/testsuite/synth/issue2139/repro.vhdl
@@ -0,0 +1,13 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity repro is
+  port (o : out unsigned (7 downto 0);
+        i : in std_logic_vector(7 downto 0));
+end repro;
+
+architecture behav of repro is
+begin
+  o <= unsigned(i) + 1;
+end behav;
diff --git a/testsuite/synth/issue2139/testsuite.sh b/testsuite/synth/issue2139/testsuite.sh
new file mode 100755
index 000000000..206a5b5a2
--- /dev/null
+++ b/testsuite/synth/issue2139/testsuite.sh
@@ -0,0 +1,13 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+GHDL_STD_FLAGS=--std=08
+synth_only repro
+
+GHDL_STD_FLAGS=--std=93
+analyze syn_repro.vhdl
+
+clean
+
+echo "Test successful"