[Bug bootstrap/51126] New: [4.7 Regression] Bootstrap failure at revision 181358 on x86_64-apple-darwin10

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51126

             Bug #: 51126
           Summary: [4.7 Regression] Bootstrap failure at revision 181358
                    on x86_64-apple-darwin10
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dominiq@lps.ens.fr
                CC: jh@suse.cz


Bootstrap fails at revision 181358 on x86_64-apple-darwin10 with

/opt/gcc/build_w/./gcc/xgcc -B/opt/gcc/build_w/./gcc/
-B/opt/gcc/gcc4.7w/x86_64-apple-darwin10.8.0/bin/
-B/opt/gcc/gcc4.7w/x86_64-apple-darwin10.8.0/lib/ -isystem
/opt/gcc/gcc4.7w/x86_64-apple-darwin10.8.0/include -isystem
/opt/gcc/gcc4.7w/x86_64-apple-darwin10.8.0/sys-include    -g -O2 -O2  -g -O2
-DIN_GCC   -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem
./include   -pipe -fno-common -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector   -pipe -fno-common -I. -I. -I../.././gcc
-I../../../work/libgcc -I../../../work/libgcc/. -I../../../work/libgcc/../gcc
-I../../../work/libgcc/../include  -DHAVE_CC_TLS -DUSE_EMUTLS -o unwind-dw2_s.o
-MT unwind-dw2_s.o -MD -MP -MF unwind-dw2_s.dep -DSHARED -fexceptions -c
../../../work/libgcc/unwind-dw2.c
In file included from /usr/include/string.h:148:0,
                 from ../../../work/libgcc/../gcc/tsystem.h:101,
                 from ../../../work/libgcc/unwind-dw2.c:27:
/usr/include/secure/_string.h: In function 'uw_frame_state_for':
/usr/include/secure/_string.h:80:3: internal compiler error: in decide_alg, at
config/i386/i386.c:22094