https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66141
--- Comment #2 from george at gly dot bris.ac.uk --- #gfortran -v Using built-in specs. COLLECT_GCC=gfortran COLLECT_LTO_WRAPPER=/usr/local/Cellar/gcc/4.9.2/libexec/gcc/x86_64-apple-darwin13.4.0/4.9.2/lto-wrapper Target: x86_64-apple-darwin13.4.0 Configured with: ../configure --build=x86_64-apple-darwin13.4.0 --prefix=/usr/local/Cellar/gcc/4.9.2 --enable-languages=c,c++,objc,obj-c++,fortran --program-suffix=-4.9 --with-gmp=/usr/local/opt/gmp --with-mpfr=/usr/local/opt/mpfr --with-mpc=/usr/local/opt/libmpc --with-cloog=/usr/local/opt/cloog --with-isl=/usr/local/opt/isl --with-system-zlib --enable-version-specific-runtime-libs --enable-libstdcxx-time=yes --enable-stage1-checking --enable-checking=release --enable-lto --disable-werror --with-pkgversion='Homebrew gcc 4.9.2' --with-bugurl=https://github.com/Homebrew/homebrew/issues --enable-plugin --disable-nls --enable-multilib Thread model: posix gcc version 4.9.2 (Homebrew gcc 4.9.2)