[EMAIL PROTECTED] simplify-rtx]$ gcc -v
Using built-in specs.
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --enable-shared --enable-threads=posix
--enable-checking=release --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-languages=c,c++,objc,java,f95,ada
--enable-java-awt=gtk --host=x86_64-redhat-linux
Thread model: posix
gcc version 4.0.0 20050314 (Red Hat 4.0.0-0.34)
[EMAIL PROTECTED] simplify-rtx]$ gcc -c bug.adb
+===========================GNAT BUG DETECTED==============================+
| 4.0.0 20050314 (Red Hat 4.0.0-0.34) (x86_64-redhat-linux-gnu) GCC error: |
| in simplify_subreg, at simplify-rtx.c:3671 |
| Error detected at bug.adb:6:14 |
| Please submit a bug report; see http://gcc.gnu.org/bugs.html. |
| 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.
bug.adb
bug.ads
bug.adb:4:07: warning: "Result" is never assigned a value
compilation abandoned
[EMAIL PROTECTED] simplify-rtx]$
-- bug.ads and bug.adb are as follows
package Bug is
type Record_Type (Class : Boolean := False) is
record
case Class is
when False =>
null;
when True =>
Kind : Integer;
end case;
end record;
function To_Record (Item : String) return Record_Type;
end Bug;
package body Bug is
function To_Record (Item : String) return Record_Type is
Result : Record_Type (True);
begin
return Result;
end To_Record;
end Bug;
-- Note: bug box only comes up if Record_Type has a default discriminant, and
one of the sizes is zero, and the return statement returns a variable that
specifies the value of th discriminant.
-- This is on a Fedore Core 3 x86_64 installation, upgraded via RPM to
gcc-4.0.0
--
Summary: returning record type with a default discriminant causes
gnat bug box
Product: gcc
Version: 4.0.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: ada
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: fraser at blancolioni dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC host triplet: x86_64-redhat-linux
GCC target triplet: x86_64-redhat-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20590
