[Bug target/27907] New: ICE in expand_simple_unop, at optabs.c:2307

[tbm at cyrius dot com]

ICE on Alpha with gcc 4.2 20060508:

[EMAIL PROTECTED]:~/delta/bin$ /usr/lib/gcc-snapshot/bin/gcc -c -O1 mini.c
mini.c: In function 'fann_run':
mini.c:23: internal compiler error: in expand_simple_unop, at optabs.c:2307
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
[EMAIL PROTECTED]:~/delta/bin$ /usr/lib/gcc-snapshot/bin/gcc -c mini.c
[EMAIL PROTECTED]:~/delta/bin$ gcc-4.0 -c -O2 mini.c
[EMAIL PROTECTED]:~/delta/bin$ gcc-4.1 -c -O2 mini.c
[EMAIL PROTECTED]:~/delta/bin$
[EMAIL PROTECTED]:~/delta/bin$ cat mini.c
typedef double fann_type;
typedef struct { } _G_fpos64_t;
struct fann_neuron
{
  fann_type value;
}
__attribute__ ((packed));
struct fann_layer
{
  struct fann_neuron *last_neuron;
};
struct fann
{
  struct fann_layer *first_layer;
};
fann_run (struct fann *ann, fann_type * input)
{
  struct fann_layer *layer_it, *layer_it2, *last_layer;
  for (layer_it = ann->first_layer + 1; layer_it != last_layer; layer_it++)
    {
      ((layer_it - 1)->last_neuron - 1)->value = 1;
    }
}


-- 
           Summary: ICE in expand_simple_unop, at optabs.c:2307
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tbm at cyrius dot com
 GCC build triplet: alpha-linux-gnu
  GCC host triplet: alpha-linux-gnu
GCC target triplet: alpha-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27907