22 files changed, 482 insertions, 0 deletions
diff --git a/testsuite/gna/bug017/call1.vhdl b/testsuite/gna/bug017/call1.vhdl
new file mode 100644
index 000000000..ba6881486
--- /dev/null
+++ b/testsuite/gna/bug017/call1.vhdl
@@ -0,0 +1,20 @@
+entity call1 is
+end;
+
+architecture behav of call1 is
+  procedure p is
+  begin
+    for i in 1 to 10 loop
+      report "hello";
+      wait for 1 ns;
+    end loop;
+  end p;
+begin
+  process
+  begin
+    p;
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/call2.vhdl b/testsuite/gna/bug017/call2.vhdl
new file mode 100644
index 000000000..82467b42e
--- /dev/null
+++ b/testsuite/gna/bug017/call2.vhdl
@@ -0,0 +1,20 @@
+entity call2 is
+end;
+
+architecture behav of call2 is
+  procedure p (n : natural) is
+  begin
+    for i in 1 to n loop
+      report "hello";
+      wait for 1 ns;
+    end loop;
+  end p;
+begin
+  process
+  begin
+    p (5);
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/call3.vhdl b/testsuite/gna/bug017/call3.vhdl
new file mode 100644
index 000000000..43d5b0b29
--- /dev/null
+++ b/testsuite/gna/bug017/call3.vhdl
@@ -0,0 +1,29 @@
+entity call3 is
+end;
+
+architecture behav of call3 is
+  procedure p2 (n : natural) is
+  begin
+    for i in 1 to n loop
+      report "hello 2";
+      wait for 1 ns;
+    end loop;
+  end p2;
+
+  procedure p (n : natural) is
+  begin
+    for i in 1 to n loop
+      p2 (i);
+      report "hello 1";
+      wait for 1 ns;
+    end loop;
+  end p;
+begin
+  process
+  begin
+    p (5);
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/call4.vhdl b/testsuite/gna/bug017/call4.vhdl
new file mode 100644
index 000000000..e2d600c26
--- /dev/null
+++ b/testsuite/gna/bug017/call4.vhdl
@@ -0,0 +1,28 @@
+entity call4 is
+end;
+
+architecture behav of call4 is
+  procedure p (n : natural) is
+    procedure p2 (m : natural) is
+    begin
+      for i in 1 to m loop
+        report "hello 2";
+        wait for 1 ns;
+      end loop;
+    end p2;
+  begin
+    for i in 1 to n loop
+      p2 (i);
+      report "hello 1";
+      wait for 1 ns;
+    end loop;
+  end p;
+begin
+  process
+  begin
+    p (5);
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/call5.vhdl b/testsuite/gna/bug017/call5.vhdl
new file mode 100644
index 000000000..b5c372a2a
--- /dev/null
+++ b/testsuite/gna/bug017/call5.vhdl
@@ -0,0 +1,21 @@
+entity call5 is
+end;
+
+architecture behav of call5 is
+  procedure inc (p : inout integer) is
+  begin
+    wait for 1 ns;
+    p := p + 1;
+  end inc;
+begin
+  process
+    variable v : integer := 2;
+  begin
+    inc (v);
+    wait for 2 ns;
+    inc (v);
+    assert not (v = 4) report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/call6.vhdl b/testsuite/gna/bug017/call6.vhdl
new file mode 100644
index 000000000..c52b08b6e
--- /dev/null
+++ b/testsuite/gna/bug017/call6.vhdl
@@ -0,0 +1,21 @@
+entity call6 is
+end;
+
+architecture behav of call6 is
+  procedure check (s : string) is
+  begin
+    wait for 1 ns;
+    assert s (2) = 'a';
+  end;
+begin
+  process
+    variable v : integer := 2;
+  begin
+    check ("bac");
+    wait for 2 ns;
+    check ((1 => 'e', 2 => 'a', 3 => 'c'));
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/call7.vhdl b/testsuite/gna/bug017/call7.vhdl
new file mode 100644
index 000000000..54bcd052c
--- /dev/null
+++ b/testsuite/gna/bug017/call7.vhdl
@@ -0,0 +1,25 @@
+entity call7 is
+end;
+
+architecture behav of call7 is
+  procedure check (s : string) is
+  begin
+    wait for 1 ns;
+    assert s (2) = 'a';
+  end;
+  function get_str
+    return string is
+  begin
+    return "xaz";
+  end get_str;
+begin
+  process
+  begin
+    check ("bac");
+    wait for 2 ns;
+    check (get_str);
+    report "SUCCESS" severity note;
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/call8.vhdl b/testsuite/gna/bug017/call8.vhdl
new file mode 100644
index 000000000..4e88c6576
--- /dev/null
+++ b/testsuite/gna/bug017/call8.vhdl
@@ -0,0 +1,25 @@
+entity call8 is
+end;
+
+architecture behav of call8 is
+  type int_vector is array (natural range <>) of integer;
+  constant c : integer := 16#0123_4567#;
+  
+  procedure check (s : int_vector) is
+  begin
+    wait for 2 ns;
+    assert s (2) = c;
+  end;
+
+  signal s : int_vector (0 to 3) := (123, 234, c, 345);
+begin
+  s (2) <= 456 after 1 ns;
+  
+  process
+  begin
+    check (s);
+    report "SUCCESS" severity note;
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/call9.vhdl b/testsuite/gna/bug017/call9.vhdl
new file mode 100644
index 000000000..a6d61006d
--- /dev/null
+++ b/testsuite/gna/bug017/call9.vhdl
@@ -0,0 +1,28 @@
+entity call9 is
+end;
+
+use std.textio.all;
+architecture behav of call9 is
+  procedure check_acc (l1, l2 : inout line) is
+  begin
+    assert l1 = null;
+    assert l2 = null;
+
+    l1 := new string'("Hello world");
+    assert l1 /= null;
+    assert l2 = null report "incorrect aliasing";
+
+    l2 := new string'("second");
+    assert l2 /= null;
+    assert l2 /= l1 report "incorrect aliasing";
+  end check_acc;
+begin
+  process
+    variable l : line;
+  begin
+    check_acc (l, l);
+    report "SUCCESS" severity note;
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/for1.vhdl b/testsuite/gna/bug017/for1.vhdl
new file mode 100644
index 000000000..02be9a1ef
--- /dev/null
+++ b/testsuite/gna/bug017/for1.vhdl
@@ -0,0 +1,16 @@
+entity for1 is
+end;
+
+architecture behav of for1 is
+begin
+  process
+  begin
+    for i in 1 to 10 loop
+      report "hello";
+      wait for 1 ns;
+    end loop;
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/if1.vhdl b/testsuite/gna/bug017/if1.vhdl
new file mode 100644
index 000000000..57554c794
--- /dev/null
+++ b/testsuite/gna/bug017/if1.vhdl
@@ -0,0 +1,22 @@
+entity if1 is
+end;
+
+architecture behav of if1 is
+begin
+  process
+    variable i : natural := 0;
+  begin
+    report "hello";
+    loop
+      if i = 10 then
+        exit;
+      else
+        report "hello2";
+      end if;
+      i := i + 1;
+    end loop;
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/if2.vhdl b/testsuite/gna/bug017/if2.vhdl
new file mode 100644
index 000000000..7c25c8131
--- /dev/null
+++ b/testsuite/gna/bug017/if2.vhdl
@@ -0,0 +1,23 @@
+entity if2 is
+end;
+
+architecture behav of if2 is
+begin
+  process
+    variable i : natural := 0;
+  begin
+    report "hello";
+    loop
+      if i = 10 then
+        exit;
+      else
+        report "hello2";
+        wait for 1 ns;
+      end if;
+      i := i + 1;
+    end loop;
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/if3.vhdl b/testsuite/gna/bug017/if3.vhdl
new file mode 100644
index 000000000..0bc870800
--- /dev/null
+++ b/testsuite/gna/bug017/if3.vhdl
@@ -0,0 +1,23 @@
+entity if3 is
+end;
+
+architecture behav of if3 is
+begin
+  process
+    variable i : natural := 0;
+  begin
+    report "hello";
+    loop
+      if i = 10 then
+        exit;
+      else
+        report "hello2";
+      end if;
+      wait for 1 ns;
+      i := i + 1;
+    end loop;
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/if4.vhdl b/testsuite/gna/bug017/if4.vhdl
new file mode 100644
index 000000000..8eebe2c72
--- /dev/null
+++ b/testsuite/gna/bug017/if4.vhdl
@@ -0,0 +1,19 @@
+entity if4 is
+end;
+
+architecture behav of if4 is
+begin
+  process
+    variable i : natural := 0;
+  begin
+    report "hello";
+    if i = 10 then
+        wait for 1 ns;
+      else
+        report "hello2";
+      end if;
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/loop1.vhdl b/testsuite/gna/bug017/loop1.vhdl
new file mode 100644
index 000000000..137628d37
--- /dev/null
+++ b/testsuite/gna/bug017/loop1.vhdl
@@ -0,0 +1,19 @@
+entity loop1 is
+end;
+
+architecture behav of loop1 is
+begin
+  process
+    variable i : natural := 0;
+  begin
+    report "hello";
+    while i < 10 loop
+      wait for 1 ns;
+      report "hello2";
+      i := i + 1;
+    end loop;
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/loop2.vhdl b/testsuite/gna/bug017/loop2.vhdl
new file mode 100644
index 000000000..47a7da6b1
--- /dev/null
+++ b/testsuite/gna/bug017/loop2.vhdl
@@ -0,0 +1,20 @@
+entity loop2 is
+end;
+
+architecture behav of loop2 is
+begin
+  process
+    variable i : natural := 0;
+  begin
+    report "hello";
+    loop
+      exit when i = 10;
+      wait for 1 ns;
+      report "hello2";
+      i := i + 1;
+    end loop;
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/ret1.vhdl b/testsuite/gna/bug017/ret1.vhdl
new file mode 100644
index 000000000..2ff937d49
--- /dev/null
+++ b/testsuite/gna/bug017/ret1.vhdl
@@ -0,0 +1,25 @@
+entity ret1 is
+end;
+
+architecture behav of ret1 is
+  procedure p (n : natural) is
+    variable i : natural := 0;
+  begin
+    loop
+      report "hello 1";
+      wait for 1 ns;
+      if i = n then
+        return;
+      end if;
+      i := i + 1;
+    end loop;
+  end p;
+begin
+  process
+  begin
+    p (5);
+    report "SUCCESS: hello3";
+    wait;
+  end process;
+ 
+end behav;
diff --git a/testsuite/gna/bug017/simple.vhdl b/testsuite/gna/bug017/simple.vhdl
new file mode 100644
index 000000000..539bc1097
--- /dev/null
+++ b/testsuite/gna/bug017/simple.vhdl
@@ -0,0 +1,11 @@
+entity simple is
+end;
+
+architecture behav of simple is
+begin
+  process
+  begin
+    report "hello";
+    assert false report "SUCESS";
+  end process;
+end behav;
diff --git a/testsuite/gna/bug017/testsuite.sh b/testsuite/gna/bug017/testsuite.sh
new file mode 100755
index 000000000..ec1f7092f
--- /dev/null
+++ b/testsuite/gna/bug017/testsuite.sh
@@ -0,0 +1,40 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+units="
+call1
+call2
+call3
+call4
+call5
+call6
+call7
+call8
+call9
+for1
+if1
+if2
+if3
+if4
+loop1
+loop2
+ret1
+wait1
+wait2
+wait3
+"
+
+for f in $units; do
+  analyze ${f}.vhdl
+  elab_simulate $f --assert-level=error 2>&1 | tee res.out
+  if ! grep -q SUCCESS res.out; then
+     echo "Failure of $f"
+     exit 1
+  fi
+done
+
+rm -f res.out
+clean
+
+echo "Test successful"
diff --git a/testsuite/gna/bug017/wait1.vhdl b/testsuite/gna/bug017/wait1.vhdl
new file mode 100644
index 000000000..fbea74af2
--- /dev/null
+++ b/testsuite/gna/bug017/wait1.vhdl
@@ -0,0 +1,13 @@
+entity wait1 is
+end;
+
+architecture behav of wait1  is
+begin
+  process
+  begin
+    report "hello";
+    wait for 1 ns;
+    report "SUCCESS";
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/gna/bug017/wait2.vhdl b/testsuite/gna/bug017/wait2.vhdl
new file mode 100644
index 000000000..c3fcd7ff5
--- /dev/null
+++ b/testsuite/gna/bug017/wait2.vhdl
@@ -0,0 +1,16 @@
+entity wait2 is
+end;
+
+architecture behav of wait2 is
+  signal t : natural;
+begin
+  process
+  begin
+    report "hello";
+    wait until t = 2;
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+  t <= 1 after 2 ns, 2 after 4 ns;
+end behav;
diff --git a/testsuite/gna/bug017/wait3.vhdl b/testsuite/gna/bug017/wait3.vhdl
new file mode 100644
index 000000000..77599ba25
--- /dev/null
+++ b/testsuite/gna/bug017/wait3.vhdl
@@ -0,0 +1,18 @@
+entity wait3 is
+end;
+
+architecture behav of wait3 is
+  signal t : natural;
+begin
+  process
+  begin
+    report "hello";
+    wait on t;
+    report "hello2";
+    wait for 0 ns;
+    report "SUCCESS";
+    wait;
+  end process;
+ 
+  t <= 1 after 2 ns, 2 after 4 ns;
+end behav;