https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78248
--- Comment #4 from Zhendong Su <su at cs dot ucdavis.edu> --- Richard and Martin, my build of r241970 still miscompiles the test: $ gcc-trunk -v Using built-in specs. COLLECT_GCC=gcc-trunk COLLECT_LTO_WRAPPER=/usr/local/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/7.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-source-trunk/configure --enable-languages=c,c++,lto --prefix=/usr/local/gcc-trunk --disable-bootstrap Thread model: posix gcc version 7.0.0 20161108 (experimental) [trunk revision 241970] (GCC) $ $ gcc-trunk -Os small.c $ ./a.out Segmentation fault (core dumped) $
