[Bug ada/20596] New: Bug Box, combination of Ada 2005, dotted notation, Hash_Maps, and Unbounded_String

["bauhaus at futureapps dot de" <gcc-bugzilla at gcc dot gnu dot org>]

GNATMAKE 4.1.0 20050321 (experimental)
Copyright 1995-2004 Free Software Foundation, Inc.
  "uex.ali" being checked ...
  -> "exmpl.ads" time stamp mismatch
gcc -c -gnat05 uex.adb
+===========================GNAT BUG DETECTED==============================+
| 4.1.0 20050321 (experimental) (i686-pc-linux-gnu) Storage_Error stack overflow
(or erroneous memory access)|
| Error detected at uex.adb:9:15                                           |
| Please submit a bug report; see http://gcc.gnu.org/bugs.html.            |
| Use a subject line meaningful to you and us to track the bug.            |
| Include the entire contents of this bug box in the report.               |
| Include the exact gcc or gnatmake command that you entered.              |
| Also include sources listed below in gnatchop format                     |
| (concatenated together with no headers between files).                   |
+==========================================================================+

Please include these source files with error report
Note that list may not be accurate in some cases, 
so please double check that the problem can still 
be reproduced with the set of files listed.

uex.adb
exmpl.ads

compilation abandoned
End of compilation
gnatmake: "uex.adb" compilation error

Not using dotted notation does not trigger.
Using Natural in place of Unbounded_String works, too.

Supplying an alternate Hash function does _not_ prevent
the box.

GCC 4.0 displays the box, too.


with Ada.Strings.Unbounded;  use Ada.Strings.Unbounded;
with Exmpl;

procedure uex is
   use Exmpl.US_Lookup_Tables;

   hm: Map;
begin
   hm.include(To_Unbounded_String("key"), To_Unbounded_String("value"));
   --include(hm, To_Unbounded_String("key"), To_Unbounded_String("value"));
end uex;


with Ada.Containers.Hashed_Maps;
with Ada.Strings.Unbounded, Ada.Strings.Unbounded.Hash;

package Exmpl is

   use Ada.Strings.Unbounded;

   package US_Lookup_Tables is
      new Ada.Containers.Hashed_Maps (Unbounded_String,
                                      Unbounded_String,
                                      Equivalent_Keys => "=",
                                      Hash => Hash);


end Exmpl;

-- 
           Summary: Bug Box, combination of Ada 2005, dotted notation,
                    Hash_Maps, and Unbounded_String
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ada
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: bauhaus at futureapps dot de
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20596