On Linux/ia64, I got
/libdecnumber/libdecnumber.a -lmpc -lmpfr -lgmp -rdynamic -ldl -lz -lelf
libbackend.a(except.o): In function `sjlj_emit_function_enter':
/export/gnu/import/svn/gcc-test/bld/gcc/../../src-trunk/gcc/except.c:1165:
undefined reference to `add_reg_br_prob_note'
collect2: ld returned 1 exit status
make[6]: *** [cc1-dummy] Error 1
rm gcov.pod gfdl.pod cpp.pod gcc.pod fsf-funding.pod
make[6]: Leaving directory `/export/gnu/import/svn/gcc-test/bld/gcc'
make[5]: *** [all-stage1-gcc] Error 2
--
Summary: [4.5 regression] Bootstrap failure
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: hjl dot tools at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43121
