From-SVN: r145841
* libsupc++/atexit_arm.cc: New file. * libsupc++/vec.cc (__aeabi_atexit): Remove. * libsupc++/cxxabi.h (__cxa_atexit): Add exception specification. * libsupc++/Makefile.am: Add atexit_arm.cc. * libsupc++/Makefile.in: Regenerated. From-SVN: r124436