[Bug c++/53715] New: internal compiler error: verify_ssa failed

[Bug c++/53715] New: internal compiler error: verify_ssa failed

[mario-baumann at web dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53715

             Bug #: 53715
           Summary: internal compiler error: verify_ssa failed
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: mario-baumann@web.de


Created attachment 27650
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27650
bzip2 compressed preprocessed c++ source file

Hi,

compilation of attached (preprocessed c++ source (already delta reduced))
failed with -O2 but works fine with -01 optimisation.

> g++ -m32 -O2 -c goo.ii
...
for SSA_NAME: .MEM_44 in statement:
# .MEM_135 = VDEF <.MEM_44>
D.6496.last_group = MEM[(const struct named_slot_map_iterator &)&D.5756 +
16].last_group;
goo.ii:20:9334: internal compiler error: verify_ssa failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

PS. Last working svn revision for attached file was 188424. First svn revision
which fails was 188496.

---
> uname -a
Linux ahsoka.intec.dom 2.6.32-220.17.1.el6.x86_64 #1 SMP Thu Apr 26 13:37:13
EDT 2012 x86_64 x86_64 x86_64 GNU/Linux

> rpm -qa "glibc*" | grep -e 'glibc-[0-9]' | sort -u
glibc-2.12-1.47.el6_2.12.i686
glibc-2.12-1.47.el6_2.12.x86_64

> g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/app2/gcc/4.8.0-20120618-svn188723/i686/libexec/gcc/i686-unknown-linux-gnu/4.8.0/lto-wrapper
Target: i686-unknown-linux-gnu
Configured with: ./configure --prefix=/app2/gcc/4.8.0-20120618-svn188723/i686
--enable-languages=c,c++,fortran --disable-nls
--with-gmp=/app2/gcc/4.8.0-20120618-svn188723/i686/aux
--with-mpfr=/app2/gcc/4.8.0-20120618-svn188723/i686/aux
--with-mpc=/app2/gcc/4.8.0-20120618-svn188723/i686/aux
--with-ppl=/app2/gcc/4.8.0-20120618-svn188723/i686/aux
--with-cloog=/app2/gcc/4.8.0-20120618-svn188723/i686/aux --disable-multilib
--build=i686-unknown-linux-gnu
Thread model: posix
gcc version 4.8.0 20120618 (experimental) (GCC) 

> ld -v
GNU ld (GNU Binutils) 2.22.52.20120618

[Bug c++/53715] internal compiler error: verify_ssa failed

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53715

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DUPLICATE
   Target Milestone|---                         |4.8.0

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2012-06-18 14:33:05 UTC ---
Dup.

*** This bug has been marked as a duplicate of bug 53703 ***