(g77) internal compiler error: Segmentation fault

[Jerry DeLisle]

Jerry DeLisle wrote:
> Roland Winkler wrote:
>> The (shortened) fortran-77 subroutine attached below causes a
>> segmentation fault of g77 when I execute
>>
>> $ g77 -O3 -c -funroll-loops  foo.f
>>
>> No problems occur without optimization.
>>
>> $ g77 --version
>> GNU Fortran (GCC) 3.3.5 20050117 (prerelease) (SUSE Linux)
>> Copyright (C) 2002 Free Software Foundation, Inc.
>>
>> (I have SUSE Linux 10.2)
>>
>> Let me know if you need to know anything else.
>>
> G77 is no longer maintained.  The new fortran compiler is gfortran and 
> it supports f77 code.  I will test to see if gfortran handles your test 
> case.
> 
> Also, please correspond with the gfortran list on this so we fortraners 
> can help you here.  There are gfortran binaries available.  Let me know 
> if you need help with this.  Also helps to know what hardware platform 
> you are on and what OS you are using.
> 
> Regards,
> 
> Jerry
> 
Roland,

I tried your test case with g77, gfortran 4.1, 4.2, and 4.3 and it compiles fine 
with the options you specified.  I wonder if you have an installation problem?

Perhaps try reinstalling g77.

Regards,

Jerry