[Bug libgcc/60247] AVR ATxmega C++ constructor startup in libgcc.S causes boot loop

[bobf at mrp3 dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60247

bobf at mrp3 dot com changed:

           What    |Removed                     |Added
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           See Also|                            |http://gcc.gnu.org/bugzilla
                   |                            |/show_bug.cgi?id=45263

--- Comment #1 from bobf at mrp3 dot com ---
bug 45263 may be related (and has been resolved).  Preserving registers may
still be necessary, however, depending on what happens inside the constructors.