http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55388



--- Comment #7 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 
2012-11-21 23:28:47 UTC ---

(In reply to comment #5)

> Created attachment 28757 [details]

> preprocessed libstdc++-v3/libsupc++/dyncast.cc

> 

> Full configuration options:

> /mnt/scratch/gcc-4.8-r193687/configure --prefix=/mnt/scratch/install48

> --with-gmp=/home/mikpe/pkgs/linux-sparc64/gmp-5.0.5

> --with-mpfr=/home/mikpe/pkgs/linux-sparc64/mpfr-3.1.1

> --with-mpc=/home/mikpe/pkgs/linux-sparc64/mpc-1.0.1 --enable-multilib

> --disable-plugin --disable-lto --disable-nls --enable-threads=posix

> --enable-checking=release --disable-libmudflap --enable-languages=c,c++

> --build=sparc-unknown-linux --target=sparc-unknown-linux --with-cpu=ultrasparc

> --enable-targets=all --disable-libsanitizer



Thanks.  After trying and failing to convince it to fail in cross environment,

it finally dawned on me that the failure was during stage 2, so presumably

this is a miscompile of cc1plus.  Sorry for the runaround.



I'll try to reproduce the failure on gcc62, but I'm guessing it will take

a while to reach the failure point.

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