https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67728
--- Comment #22 from Andrew Roberts <andrewm.roberts at sky dot com> --- Tested with: gcc-6-20160313 and in-tree: gmp-6.1.99-20160321 mpc-1.0.3 mpfr-3.1.4 isl-0.16.1 On: armv7l Arch Linux Arm (Raspberry Pi 3) (not bootstrapped yet due to build time) This also builds ok with new GMP snapshot. /usr/local/gcc-6.0.0/bin/gcc -v Using built-in specs. COLLECT_GCC=/usr/local/gcc-6.0.0/bin/gcc COLLECT_LTO_WRAPPER=/usr/local/gcc-6.0.0/libexec/gcc/armv7l-unknown-linux-gnueab ihf/6.0.0/lto-wrapper Target: armv7l-unknown-linux-gnueabihf Configured with: ../gcc-6.0.0/configure --prefix=/usr/local/gcc-6.0.0 --program- suffix= --enable-languages=c,c++,fortran --enable-shared --enable-threads=posix --with-system-zlib --with-isl --enable-__cxa_atexit --disable-libunwind-exceptio ns --enable-clocale=gnu --disable-libstdcxx-pch --disable-libssp --enable-gnu-un ique-object --enable-linker-build-id --enable-lto --enable-plugin --enable-insta ll-libiberty --with-linker-hash-style=gnu --enable-gnu-indirect-function --disab le-multilib --disable-werror --enable-checking=release --host=armv7l-unknown-lin ux-gnueabihf --build=armv7l-unknown-linux-gnueabihf --target=armv7l-unknown-linu x-gnueabihf --with-arch=armv7-a --with-float=hard --with-fpu=vfpv3-d16 --disable -bootstrap Thread model: posix gcc version 6.0.0 20160313 (experimental) (GCC) ld -v GNU ld (GNU Binutils) 2.26.0.20160302