[Bug ada/40986] [4.3/4.4 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[Bug ada/40986] [4.3/4.4 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[markus.schoepflin at comsoft dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

Markus Schöpflin <markus.schoepflin at comsoft dot de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |markus.schoepflin at
                   |                            |comsoft dot de

--- Comment #3 from Markus Schöpflin <markus.schoepflin at comsoft dot de> 2011-04-08 12:32:44 UTC ---
Problem still present in 4.6.0

[Bug ada/40986] [4.3/4.4 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.3.6                       |4.4.7

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-06-27 12:14:42 UTC ---
4.3 branch is being closed, moving to 4.4.7 target.

[Bug ada/40986] [4.4 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[Markus.Schoepflin at comsoft dot aero]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

--- Comment #5 from Markus.Schoepflin at comsoft dot aero 2011-06-27 15:07:52 UTC ---
Zur Zeit bin ich nicht im Büro. Sie erreichen mich wieder ab dem 11.07.2011.

I am currently not in the office. You can reach me again as of 11.JUL.2011.

[Bug ada/40986] [4.4 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[nicolas.boulenguez at free dot fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

nicolas.boulenguez at free dot fr changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nicolas.boulenguez at free
                   |                            |dot fr

--- Comment #6 from nicolas.boulenguez at free dot fr 2011-09-01 00:29:34 UTC ---
4.6.1 (x86_64-pc-linux-gnu) Assert_Failure sinfo.adb:384

[Bug ada/40986] [4.4 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org
      Known to work|                            |
   Target Milestone|4.4.7                       |4.5.4
      Known to fail|                            |

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-03-13 13:14:41 UTC ---
If you can reproduce this with 4.5+, please adjust known to work/known to fail
and summary.  4.4 is no longer supported.

[Bug ada/40986] [4.4 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[markus.schoepflin at comsoft dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

--- Comment #8 from Markus Schöpflin <markus.schoepflin at comsoft dot de> 2012-03-14 08:28:45 UTC ---
4.6.0 and 4.6.1 still fail, see comments #3 & #6. Unfortunately I can't adjust
'known to fail'.

[Bug ada/40986] [4.5/4.6 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[nicolas.boulenguez at free dot fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

--- Comment #9 from nicolas.boulenguez at free dot fr 2012-03-19 20:49:55 UTC ---
4.6.3 (x86_64-pc-linux-gnu) Assert_Failure sinfo.adb:384

[Bug ada/40986] [4.6 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.5.4                       |4.6.4

[Bug ada/40986] [4.6 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[Markus.Schoepflin at comsoft dot aero]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.5.4                       |4.6.4

--- Comment #10 from Markus.Schoepflin at comsoft dot aero 2012-07-02 13:49:17 UTC ---
Dear Sender,

I am currently out of office and will be back on Monday, 16.07.2012. During my
absence I am not able to check emails. In urgent cases please contact
ccamos@comsoft.de.

Best regards,
Markus Schöpflin

[Bug ada/40986] [4.6 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2013-04-12
     Ever Confirmed|0                           |1

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-04-12 16:11:03 UTC ---
The 4.6 branch has been closed, can the problem be reproduced with 4.7.3 or
later?

[Bug ada/40986] [4.6 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[ludovic@ludovic-brenta.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

Ludovic Brenta <ludovic@ludovic-brenta.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
      Known to work|                            |4.7.2
         Resolution|                            |FIXED

--- Comment #12 from Ludovic Brenta <ludovic@ludovic-brenta.org> 2013-04-12 17:17:53 UTC ---
Not reproducible anymore with gnat-4.7:

$ gcc-4.7 -v
Using built-in specs.
COLLECT_GCC=gcc-4.7
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.7/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.7.2-5'
--with-bugurl=file:///usr/share/doc/gcc-4.7/README.Bugs
--enable-languages=c,c++,go,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.7 --enable-shared --enable-linker-build-id
--with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.7
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object
--enable-plugin --enable-objc-gc --with-arch-32=i586 --with-tune=generic
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 4.7.2 (Debian 4.7.2-5) 

$ gcc-4.7 -c -I./ -gnato -gnatwl -gnatwauJF -gnatef -g -fno-strict-aliasing
-gnatwA -I- ./test.adb
$

[Bug ada/40986] [4.6 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[markus.schoepflin at comsoft dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

--- Comment #13 from Markus Schöpflin <markus.schoepflin at comsoft dot de> 2013-04-16 13:38:21 UTC ---
I get a different result for the 4.7 branch (built from gcc.git with configure
--disable-bootstrap --disable-nls --enable-languages=ada):

-> PATH="/var/tmp/build/gcc:$PATH" ADA_INCLUDE_PATH=/var/tmp/build/gcc/ada/rts
xgcc -v -c -I/var/tmp/test -gnato -gnatwl -gnatwauJF -gnatef -g
-fno-strict-aliasing -gnatwA -I- /var/tmp/test/test.adb
Using built-in specs.
COLLECT_GCC=xgcc
Target: i686-pc-linux-gnu
Configured with: /var/tmp/gcc.git/configure --disable-bootstrap --disable-nls
--enable-languages=ada
Thread model: posix
gcc version 4.7.4 20130415 (prerelease) (GCC) 
COLLECT_GCC_OPTIONS='-v' '-c' '-I' '/var/tmp/test' '-gnato' '-gnatwl'
'-gnatwauJF' '-gnatef' '-g' '-fno-strict-aliasing' '-gnatwA' '-I' '-'
'-mtune=generic' '-march=pentiumpro'
 gnat1 -I /var/tmp/test -I - -quiet -dumpbase test.adb -auxbase test
-fno-strict-aliasing -gnato -gnatwl -gnatwauJF -gnatef -g -gnatwA
-mtune=generic -march=pentiumpro /var/tmp/test/test.adb -o /tmp/cckbceia.s
+===========================GNAT BUG DETECTED==============================+
| 4.7.4 20130415 (prerelease) (i686-pc-linux-gnu) Assert_Failure sinfo.adb:388|
| Error detected at a-unccon.ads:23:27                                     |
| 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.
Consider also -gnatd.n switch (see debug.adb).

/var/tmp/build/gcc/ada/rts/system.ads
/var/tmp/test/test.adb
/var/tmp/test/language.ads
/var/tmp/build/gcc/ada/rts/s-auxdec.ads
/var/tmp/build/gcc/ada/rts/ada.ads
/var/tmp/build/gcc/ada/rts/a-unccon.ads

compilation abandoned
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Subject: [Bug middle-end/56978] memset-chk.c failure since r197671
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idV978

Andreas Krebbel <krebbel at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DUPLICATE

--- Comment #2 from Andreas Krebbel <krebbel at gcc dot gnu.org> 2013-04-16 13:40:27 UTC ---
The patch from PR56921 fixes the issue on S/390. Thanks!

*** This bug has been marked as a duplicate of bug 56921 ***

[Bug ada/40986] [4.6 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[markus.schoepflin at comsoft dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

--- Comment #14 from Markus Schöpflin <markus.schoepflin at comsoft dot de> 2013-04-16 13:45:13 UTC ---
Note that the error only shows up when language.ads contains the two pragmas as
given in the first note. They are removed when the test case is processed by
gnatchop, so you have to make sure that you are using a valid test case.
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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/56980] New: Misleading note
Date: Tue, 16 Apr 2013 14:00:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56980

             Bug #: 56980
           Summary: Misleading note
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: jakub@gcc.gnu.org
                CC: manu@gcc.gnu.org


Starting with http://gcc.gnu.org/r139729 we get:
typedef struct A { int i; } B;
void foo (B *);

void bar (B *x)
{
  foo ((struct B *) x);
}
rh952692.c:2:6: note: expected ‘struct B *’ but argument is of type ‘struct B
*’
which is misleading, it should be either B * or struct A * in the first case.
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Subject: [Bug fortran/56981] New: Slow I/O: Unformatted 5x slower, large sys component; formatted slow as well
Date: Tue, 16 Apr 2013 14:15:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idV981

             Bug #: 56981
           Summary: Slow I/O: Unformatted 5x slower, large sys component;
                    formatted slow as well
    Classification: Unclassified
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: burnus@gcc.gnu.org
                CC: jb@gcc.gnu.org, jvdelisle@gcc.gnu.org


Found at
https://groups.google.com/forum/?fromgroups=#!topic/comp.lang.fortran/ORw0Y2k2CI4
 The following examples are taken from Robert Corbett.

The large amount spend in system for unformatted I/O is surprising, compared
with other compilers. But in general, unformatted I/O is much slower.
(Formatted I/O is slow as well.)


---- Timing in sec ------------------------------------------------
Unformatted  Formatted
real / user  real / user  Compiler
-----------  -----------  -----------------------------------------
1.467/0.448  3.205/2.780  GCC 4.8.0 (-Ofast, 20130308, Rev. 196547)
0.309/0.308  1.297/1.296  g95 4.0.3 (g95 0.93!) Aug 17 2010 (-O3)
0.199/0.188  0.562/0.548  Sun Fortran 95 8.3 Linux_i386 2007/05/03
0.177/0.172  0.904/0.900  PathScale 3.2.99
0.177/0.176  2.201/2.200  NAGWare Fortran 5.1
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
0.578/0.205  1.229/1.121  GCC 4.9 (trunk, -Ofast)
0.115/0.113  0.517/0.513  g95 4.0.3 (g95 0.94!) Dec 17 2012
0.130/0.129  0.522/0.517  PathScale EKOPath 4.9.0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1.035/0.524  3.014/2.928  GCC 4.7.2 20120920 (Cray Inc.)
0.194/0.184  0.634/0.632  Cray Fortran : Version 8.1.6
0.372/0.260  0.703/0.564  Intel 64, Version 13.1.1.163
0.437/0.432  0.938/0.932  pgf90 12.10-0
-------------------------------------------------------------------


      PROGRAM MAIN
        REAL X
        OPEN (10, FILE='/dev/null', FORM='FORMATTED')
        X = 0.0
        DO 10 I = 1, 1000000
          WRITE (10, '(E13.7)') X
          X = X + 1.0
   10   CONTINUE
      END

-------------------------------------------------------------------

      PROGRAM MAIN
        REAL X
        OPEN (10, FILE='/dev/null', FORM='UNFORMATTED')
        X = 0.0
        DO 10 I = 1, 1000000
          WRITE (10) X
          X = X + 1.0
   10   CONTINUE
      END

[Bug ada/40986] [4.6 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[markus.schoepflin at comsoft dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

--- Comment #15 from Markus Schöpflin <markus.schoepflin at comsoft dot de> 2013-04-17 09:15:22 UTC ---
I have bisected the problem using the git gcc repository, unfortunately 121
commits are left after bisecting, as in between the last known good and the
first known bad commit the gcc tree does not compile for a lot of commits.

Anyway, this is the last known good commit:

commit 244de65defd519a1245551886fce58113a4b7b2a
Author: charlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Wed Jun 6 10:13:25 2007 +0000

This is the first known bad commit:

commit 7b29e7de1cf940343eeeb25058b7870877d15524
Author: charlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Wed Jun 6 10:54:04 2007 +0000

The 120 commits in between do not compile, and all do massive changes in the
Ada part of gcc.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idV644

--- Comment #7 from Markus Eisenmann <meisenmann.lba@fh-salzburg.ac.at> 2013-04-17 09:17:36 UTC ---
At least this error is based on some libintl-macros, which will "redirect" some
stdio-functions (like vsnprintf ...) to their libintl-version(s); I.e. the
header-file libintl.h is available and included, but NLS/libintl isn't
requested.

Solution (as be possible by processing the attached patch/diff-file):

Add following undef's in the #else-region of gcc/intl.h (of #ifdef ENABLE_NLS),
for example after line #54:

#undef    fprintf
#undef    vfprintf
#undef    printf
#undef    vprintf
#undef    sprintf
#undef    vsprintf
#undef    snprintf
#undef    vsnprintf
#undef    asprintf
#undef    vasprintf
#undef    setlocale

Additional comment:
The header-file gcc/intl.h does already contain undef's to prevent using
libintl if not requested or configured. But not for the affected "stdio-funcs"
as vsnprintf [...], which may cause linker-errors (I.e. unresolved externals).

[Bug ada/40986] [4.6 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[ludovic@ludovic-brenta.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

Ludovic Brenta <ludovic@ludovic-brenta.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
      Known to work|4.7.2                       |
         Resolution|FIXED                       |
      Known to fail|                            |4.7.2

--- Comment #16 from Ludovic Brenta <ludovic@ludovic-brenta.org> 2013-04-17 18:30:40 UTC ---
gcc-4.7 -c -I./ -gnato -gnatwl -gnatwauJF -gnatef -g -fno-strict-aliasing
-gnatwA -I- ./test.adb
+===========================GNAT BUG DETECTED==============================+
| 4.7.2 (x86_64-linux-gnu) Assert_Failure sinfo.adb:388                    |
| Error detected at a-unccon.ads:23:27                                     |


Thanks Markus for noticing the interference of gnatchop.  I did the mistake
of gnatchopping the reproducer, this hid the problem.

[Bug ada/40986] [4.7/4.8/4.9 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.6.4                       |4.7.4
            Summary|[4.6 regression]            |[4.7/4.8/4.9 regression]
                   |Assert_Failure              |Assert_Failure
                   |sinfo.adb:360, error        |sinfo.adb:360, error
                   |detected at                 |detected at
                   |a-unccon.ads:23:27          |a-unccon.ads:23:27

[Bug ada/40986] [4.7/4.8/4.9/4.10 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.7.4                       |4.8.4

--- Comment #17 from Richard Biener <rguenth at gcc dot gnu.org> ---
The 4.7 branch is being closed, moving target milestone to 4.8.4.

[Bug ada/40986] [4.8/4.9/5 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[nicolas.boulenguez at free dot fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

--- Comment #18 from nicolas.boulenguez at free dot fr ---
Fixed in 4.8.2

[Bug ada/40986] [4.8/4.9/5 regression] Assert_Failure sinfo.adb:360, error detected at a-unccon.ads:23:27

[markus.schoepflin at comsoft dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40986

--- Comment #19 from Markus Schöpflin <markus.schoepflin at comsoft dot de> ---
Confirming. I can no longer reproduce the issue with 4.8.2.
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Subject: [Bug fortran/62135] f951: internal compiler error: Segmentation fault
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idb135

--- Comment #2 from Anastasios Vathis <avathis at esd dot ece.ntua.gr> ---
In any case, there sould be a " SYNTAX ERROR" issued