https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88876
--- Comment #1 from Dmitry G. Dyachenko <dimhen at gmail dot com> --- $ /usr/local/gcc_current/bin/gcc -v Using built-in specs. COLLECT_GCC=/usr/local/gcc_current/bin/gcc COLLECT_LTO_WRAPPER=/usr/local/gcc_current/libexec/gcc/x86_64-pc-linux-gnu/9.0.0/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none Target: x86_64-pc-linux-gnu Configured with: /home/dimhen/src/gcc_current/configure --prefix=/usr/local/gcc_current --enable-checking=yes,df,fold,rtl,extra --enable-languages=c,c++,lto --disable-multilib --enable-shared --enable-threads=posix --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl --enable-libmpx --enable-offload-targets=nvptx-none --without-cuda-driver --enable-gnu-indirect-function --with-tune=native Thread model: posix gcc version 9.0.0 20190116 (experimental) [trunk revision 267961] (GCC)