[Bug bootstrap/58608] New: Bootstrap fails with rev 202897, undefined references in libstdc++.a

["pthaugen at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58608

            Bug ID: 58608
           Summary: Bootstrap fails with rev 202897, undefined references
                    in libstdc++.a
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pthaugen at gcc dot gnu.org
                CC: bergner at gcc dot gnu.org, tromey at gcc dot gnu.org
              Host: powerpc64-linux
            Target: powerpc64-linux
             Build: powerpc64-linux

Bootstrap started failing in stage2 with given revision. Only appears to happen
when I build default32 compiler (--with-cpu=default32). Following are sample of
errors I see:

/home/pthaugen/work/build/gcc/r202897/prev-powerpc64-linux/libstdc++-v3/src/.libs/libstdc++.a(eh_alloc.o):
In function `__cxa_allocate_exception':
/home/pthaugen/src/gcc/r202897/gcc/libstdc++-v3/libsupc++/eh_alloc.cc:129:
undefined reference to `_Unwind_Resume'
/home/pthaugen/work/build/gcc/r202897/prev-powerpc64-linux/libstdc++-v3/src/.libs/libstdc++.a(eh_alloc.o):
In function `__gnu_cxx::__mutex::unlock()':
/home/pthaugen/work/build/gcc/r202897/powerpc64-linux/libstdc++-v3/include/ext/concurrence.h:164:
undefined reference to `_Unwind_Resume'
/home/pthaugen/work/build/gcc/r202897/prev-powerpc64-linux/libstdc++-v3/src/.libs/libstdc++.a(eh_alloc.o):
In function `__scoped_lock':
/home/pthaugen/work/build/gcc/r202897/powerpc64-linux/libstdc++-v3/include/ext/concurrence.h:153:
undefined reference to `_Unwind_Resume'
/home/pthaugen/work/build/gcc/r202897/prev-powerpc64-linux/libstdc++-v3/src/.libs/libstdc++.a(eh_alloc.o):
In function `__gnu_cxx::__mutex::unlock()':
/home/pthaugen/work/build/gcc/r202897/powerpc64-linux/libstdc++-v3/include/ext/concurrence.h:164:
undefined reference to `_Unwind_Resume'
/home/pthaugen/work/build/gcc/r202897/prev-powerpc64-linux/libstdc++-v3/src/.libs/libstdc++.a(eh_throw.o):
In function `__cxa_throw':
/home/pthaugen/src/gcc/r202897/gcc/libstdc++-v3/libsupc++/eh_throw.cc:79:
undefined reference to `_Unwind_RaiseException'
/home/pthaugen/work/build/gcc/r202897/prev-powerpc64-linux/libstdc++-v3/src/.libs/libstdc++.a(eh_throw.o):
In function `__cxa_rethrow':
/home/pthaugen/src/gcc/r202897/gcc/libstdc++-v3/libsupc++/eh_throw.cc:115:
undefined reference to `_Unwind_Resume_or_Rethrow'
...



Configuration command:

/home/pthaugen/src/gcc/r202897/gcc/configure
--prefix=/home/pthaugen/install/gcc/r202897 --target=powerpc64-linux
--host=powerpc64-linux --build=powerpc64-linux --enable-secureplt
--enable-threads=posix --enable-shared --enable-__cxa_atexit
--with-long-double-128 --enable-decimal-float --disable-alsa --enable-checking
--with-lto --with-as=/opt/gcc-nightly/binutils-2.21.1/bin/as
--with-ld=/opt/gcc-nightly/binutils-2.21.1/bin/ld
--with-gmp=/opt/gcc-nightly/gcc-host-libs
--with-mpfr=/opt/gcc-nightly/gcc-host-libs
--with-mpc=/opt/gcc-nightly/gcc-host-libs
--with-libelf=/opt/gcc-nightly/gcc-host-libs --without-ppl --without-cloog
--with-cpu=default32 --enable-languages=c,c++