Created attachment 482423 [details]
preprocessed source

build of xulrunner-2.0-0.25.b12.fc15 fails on s390x with 

gcc -o yv12extend.o -c -fvisibility=hidden -DHAVE_CONFIG_H=vpx_config.h -DOSTYPE=\"Linux2.6.35.11-83.fc14\" -DOSARCH=Linux -I. -I../../media/libvpx -I../../media/libvpx/vp8/ -I../../media/libvpx/vp8/common/ -I../../media/libvpx/vp8/common/arm -I../../media/libvpx/vp8/common/x86 -I../../media/libvpx/vp8/decoder -I../../media/libvpx/vp8/decoder/arm -I../../media/libvpx/vp8/decoder/x86 -I../../media/libvpx/vpx_codec -I../../media/libvpx/vpx_mem/ -I../../media/libvpx/vpx_mem/include -I../../media/libvpx/vpx_ports/ -I../../media/libvpx/vpx_scale/  -I. -I. -I../../dist/include -I../../dist/include/nsprpub  -I/usr/include/nspr4 -I/usr/include/nss3       -fPIC  -Wall -W -Wno-unused -Wpointer-arith -Wcast-align -W -pedantic -Wno-long-long -O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fno-exceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -march=z9-109 -mtune=z10 -fpermissive -fno-strict-aliasing -pthread -pipe  -DNDEBUG -DTRIMMED -Os -freorder-blocks -fomit-frame-pointer    -include ../../mozilla-config.h -DMOZILLA_CLIENT -MD -MF .deps/yv12extend.pp ./vpx_scale/generic/yv12extend.c
cc1: warning: command line option '-fpermissive' is valid for C++/ObjC++ but not for C [enabled by default]
cc1: warning: command line option '-fpermissive' is valid for C++/ObjC++ but not for C [enabled by default]
./vpx_scale/generic/yv12extend.c: In function 'vp8_yv12_extend_frame_borders':
./vpx_scale/generic/yv12extend.c:145:1: internal compiler error: in simplify_subreg, at simplify-rtx.c:5222
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugzilla.redhat.com/bugzilla> for instructions.
Preprocessed source stored into /tmp/cchEJz8j.out file, please attach this to your bugreport.

gcc version 4.6.0 20110301 (Red Hat 4.6.0-0.11) (GCC)