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Re: status of wide-int patch.


On Tue, 29 Apr 2014, Richard Sandiford wrote:

> Kyrill Tkachov <kyrylo.tkachov@arm.com> writes:
> > On 28/04/14 18:03, Kenneth Zadeck wrote:
> >> At this point we have believe that we have addressed all of the concerns
> >> that the community has made about the wide-int branch.   We have also
> >> had each of the sections of the branch approved by the area maintainers.
> >>
> >> We are awaiting a clean build on the arm
> >
> > Unfortunately arm bootstrap fails a bit further down the line in stage2 while 
> > building libstdc++-v3/src/c++98/ios.cc:
> >
> > xgcc: internal compiler error: Segmentation fault (program cc1plus)
> > Please submit a full bug report,
> > with preprocessed source if appropriate.
> > See <http://gcc.gnu.org/bugs.html> for instructions.
> >
> > Running the cc1plus subcommand through gdb gives:
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x005c32c8 in real_to_decimal_for_mode(char*, real_value const*, unsigned int, 
> > unsigned int, int, machine_mode) ()
> > (gdb) bt
> > #0  0x005c32c8 in real_to_decimal_for_mode(char*, real_value const*, unsigned 
> > int, unsigned int, int, machine_mode) ()
> > #1  0x000033f6 in ?? ()
> > Backtrace stopped: previous frame identical to this frame (corrupt stack?)
> > (gdb)
> >
> > The debug info seems to be scarce here, any hints on where to look?
> 
> Yeah, stage2 is built without debug info unfortunately.  Try:
> 
>   cd gcc
>   make clean
>   cd ..
>   make -j<whatever> BUILD_CONFIG=

Or --without-build-config.

Richard.


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