https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90110
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Btw, I just checked and the build also fails with glibc 2.22 in the same way. Oddly enough it only fails in a controlled environment but not on a development machine with the same glibc I do regular testing on. (controlled environment aka package builds for SLES 12 based distros) I configure with ../configure --prefix=/usr --infodir=/usr/share/info --mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64 --enable-languages=c,c++,objc,fortran,obj-c++,ada,go,d --enable-offload-targets=hsa,nvptx-none=/usr/nvptx-none, --without-cuda-driver --disable-werror --with-gxx-include-dir=/usr/include/c++/9 --enable-ssp --disable-libssp --disable-libvtv --disable-cet --disable-libcc1 --disable-plugin --with-bugurl=https://bugs.opensuse.org/ '--with-pkgversion=SUSE Linux' --with-slibdir=/lib64 --with-system-zlib --enable-libstdcxx-allocator=new --disable-libstdcxx-pch --with-default-libstdcxx-abi=gcc4-compatible --enable-libphobos --enable-version-specific-runtime-libs --with-gcc-major-version-only --enable-linker-build-id --enable-linux-futex --enable-gnu-indirect-function --program-suffix=-9 --without-system-libunwind --enable-multilib --with-arch-32=x86-64 --with-tune=generic --build=x86_64-suse-linux --host=x86_64-suse-linux and build like setarch x86_64 -R make profiledbootstrap 'STAGE1_CFLAGS=-g -O2' 'BOOT_CFLAGS=-fmessage-length=0 -grecord-gcc-switches -O2 -D_FORTIFY_SOURCE=2 -funwind-tables -fasynchronous-unwind-tables -g -U_FORTIFY_SOURCE' -j3 the build uses trunk as of r270275
