[Bug c/43367] New: ice: in may_propagate_copy, at tree-ssa-copy.c:85

[regehr at cs dot utah dot edu]

[reg...@gamow tmp282]$ current-gcc -O2 small.c
small.c: In function 'int327':
small.c:29:1: internal compiler error: in may_propagate_copy, at
tree-ssa-copy.c:85
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

[reg...@gamow tmp282]$ current-gcc -v

Using built-in specs.
COLLECT_GCC=current-gcc
COLLECT_LTO_WRAPPER=/uusoc/exports/scratch/regehr/z/compiler-install/gcc-r157419-install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../configure --with-libelf=/usr/local --enable-lto
--prefix=/home/regehr/z/compiler-install/gcc-r157419-install
--program-prefix=r157419- --enable-languages=c,c++
Thread model: posix
gcc version 4.5.0 20100313 (experimental) (GCC) 

[reg...@gamow tmp282]$ cat small.c

unsigned char g_17;

const unsigned char func_39 (unsigned char p_40, unsigned char * p_41)
{
  return 0;
}

void int327 (const unsigned char p_48, unsigned char p_49)
{
  unsigned l_52;
  unsigned char l_58[2];
  int i, j;
  if (func_39 (l_52, &p_49), p_48) {
    unsigned char *l_60;
    unsigned char *l = &l_58[1];
    for (j; j; j++) {
    lbl_59:
      break;
    }
    for (l = 0; 1; l += 1) {
      for (p_49 = 1; p_49; p_49 += 0) {
        unsigned char **l_61[1][6];
        for (j = 0; j < 1; j++)
          l_61[i][j] = &l_60;
        goto lbl_59;
      }
    }
  }
}


-- 
           Summary: ice: in may_propagate_copy, at tree-ssa-copy.c:85
           Product: gcc
           Version: 4.5.0
            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: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43367