bootstrapping gcc from gcc fails but from sun cc succeeds
Sun Jan 25 01:29:00 GMT 2009
I am working on a Sun Solaris 2.8 machine. It comes with Sun C
compiler cc (5.5, 2003/03/12). Using this cc, I was able to compile
gcc 4.4 20081107. However, I was experiencing some stability issues
with it. For example, valid fortran code was producing internal
compiler errors http://gcc.gnu.org/ml/fortran/2009-01/msg00178.html .
So, I tried updating gcc 4.4 20081107 to gcc 4.4 20080109.
Bootstrapping gcc 4.4 20080109 from Sun's C compiler works. But
bootstrapping gcc 4.4 20080109 from gcc 4.4 20081107 fails with an
internal compiler error
Could someone please tell me how to debug the problem further? How
does one go about debugging "internal compiler errors"? I have access
to dbx but no gdb.
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