[Bug c/43661] New: ice in fold_comparison, at fold-const.c:9579

[regehr at cs dot utah dot edu]

reg...@john-home:~/volatile/bugs/tmp310$ current-gcc -Os small.c -c
small.c: In function ‘func’:
small.c:10:6: internal compiler error: in fold_comparison, at fold-const.c:9579
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

reg...@john-home:~/volatile/bugs/tmp310$ cat small.c

void
func (int *p_51)
{
  int l_174 = 0;
  l_174 |=
    0 ? (unsigned short) (0 ? : 1 *
                          (signed char) (*p_51
                                         ^
                                         *p_51)
                          >= 0) : *p_51 < *p_51 > *p_51 < 1;
}

reg...@john-home:~/volatile/bugs/tmp310$ current-gcc -v

Using built-in specs.
COLLECT_GCC=current-gcc
COLLECT_LTO_WRAPPER=/home/regehr/z/compiler-install/gcc-r157975-install/libexec/gcc/i686-pc-linux-gnu/4.5.0/lto-wrapper
Target: i686-pc-linux-gnu
Configured with: ../configure --with-libelf=/usr/local --enable-lto
--prefix=/home/regehr/z/compiler-install/gcc-r157975-install
--program-prefix=r157975- --enable-languages=c,c++
Thread model: posix
gcc version 4.5.0 20100406 (experimental) (GCC)


-- 
           Summary: ice in fold_comparison, at fold-const.c:9579
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: regehr at cs dot utah dot edu
 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=43661