[Bug target/63610] OSX 10.10 (Yosemite) segfault in MPIR testsuite with -O0 or -O1

[howarth at bromo dot med.uc.edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63610

--- Comment #9 from howarth at bromo dot med.uc.edu ---
Alternatively, you can just make sure you don't set MACOSX_DEPLOYMENT_TARGET in
your shell. 

Also mote that gmp, mpfr and mpc also suffer from this bug and, if built on
10.10, should either have their configure scripts patched or regenerated with
the fixed libtool.