[Bug middle-end/68798] New: x_solve.c:181:9: internal compiler error: in execute, at cfgexpand.c:6066

["brian.whitney at oracle dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68798

            Bug ID: 68798
           Summary: x_solve.c:181:9: internal compiler error: in execute,
                    at cfgexpand.c:6066
           Product: gcc
           Version: 5.3.0
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: brian.whitney at oracle dot com
  Target Milestone: ---

Created attachment 36962
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36962&action=edit
x_solve.i file of internal compiler error problem

gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/opt/GCC/gcc-5.3.0/bin/../libexec/gcc/x86_64-unknown-linux-gnu/5.3.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /SW/compilers/GCC/build/gcc-5.3.0/configure
--with-multilib-list=m64,m32 --with-pkgversion='CDS  07-Dec-2015'
--prefix=/net/toromondo.us.oracle.com/export/software/compilers/GCC/Linux/x86_64/gcc-5.3.0
--with-local-prefix=/net/toromondo.us.oracle.com/export/software/compilers/GCC/Linux/x86_64
--enable-languages=c,c++,fortran,objc,obj-c++ --enable-lto
Thread model: posix
gcc version 5.3.0 (CDS  07-Dec-2015) 


  gcc -c -o x_solve.o -DSPEC -DSPEC_ACCEL -DNDEBUG -DSPEC  -Ofast -msse4.2
-fopenmp -fopenmp-simd -m64 -save-temps x_solve.c
x_solve.c: In function 'x_solve._omp_fn.3':
x_solve.c:181:9: internal compiler error: in execute, at cfgexpand.c:6066
   #pragma omp distribute parallel for // collapse(2)
         ^
0x6d63ca execute
        /SW/compilers/GCC/build/gcc-5.3.0/gcc/cfgexpand.c:6066
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.


test hardware was 2 x E5-2690 v2 system.  OS Oracle Linux Server release 6.7
 uname -a
Linux x4-2-002 3.8.13-98.1.2.el6uek.x86_64 #2 SMP Thu Aug 13 12:24:05 PDT 2015
x86_64 x86_64 x86_64 GNU/Linux