optimization/8479: [new-ra] ICE in select_spill, at ra-colorize.c:1001

[bangerth@ticam.utexas.edu]

>Number:         8479
>Category:       optimization
>Synopsis:       [new-ra] ICE in select_spill, at ra-colorize.c:1001
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Nov 06 09:06:02 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     Wolfgang Bangerth
>Release:        unknown-1.0
>Organization:
>Environment:
Present CVS on Linux
>Description:
The following ICEs with -fnew-ra -O2 -fPIC:
-------------------------------------
bugs/gcc> cat x.c
double pow (double, double);
double fabs (double);

long double * end ();

long double foo (const long double p)
{
  long double sum0 = 0,
              sum1 = 0;
  long double * ptr=0,eptr=0;
  while (ptr != end())
    sum0 += pow(fabs(*ptr++), p);

  return pow(sum0+sum1, p);
};


bugs/gcc> /home/bangerth/bin/gcc-3.3x-pre/bin/gcc -fnew-ra -O2 -fPIC -c x.c
x.c: In function `foo':
x.c:15: internal compiler error: in select_spill, at ra-colorize.c:1001
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: