https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90006
--- Comment #1 from Sergei Trofimovich <slyfox at inbox dot ru> --- Reproducible on 8.3.0 and today's gcc master built as: /home/slyfox/dev/git/gcc-native-quick/gcc/xgcc -B/home/slyfox/dev/git/gcc-native-quick/gcc -v Reading specs from /home/slyfox/dev/git/gcc-native-quick/gcc/specs COLLECT_GCC=/home/slyfox/dev/git/gcc-native-quick/gcc/xgcc COLLECT_LTO_WRAPPER=/home/slyfox/dev/git/gcc-native-quick/gcc/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc/configure --enable-languages=c,c++,lto --disable-bootstrap --with-multilib-list=m64 --prefix=/home/slyfox/dev/git/gcc-native-quick/../gcc-native-quick-installed --disable-nls CFLAGS='-O1 ' CXXFLAGS='-O1 ' --with-sysroot=/usr/x86_64-HEAD-linux-gnu Thread model: posix gcc version 9.0.1 20190408 (experimental) (GCC)