[v3] add -fno-exceptions support

[Mark Mitchell]

>>>>> "Benjamin" == Benjamin Kosnik <bkoz@redhat.com> writes:

    >> > If __cxa_bad_cast/__cxa_bad_typeid are required for the ABI,
    >> and I'm > wrong, can't we just extend to __cxa_out_of_range etc
    >> and have all > this stuff in one place?

By the way, the __cxa variants are the correct names as per the ABI.
I should go through and remove the old ABI cruft in the library now,
too.  Thanks for reminding me to do this.

--
Mark Mitchell                   mark@codesourcery.com
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