http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60319
--- Comment #3 from Zhendong Su <su at cs dot ucdavis.edu> --- (In reply to Richard Biener from comment #1) > Hmm, I can't reproduce this with 4.8 or trunk but with 4.5, 4.6 and 4.7. Richard, it still fails for me. Did you use LTO? $ gcc-trunk -v Using built-in specs. COLLECT_GCC=gcc-trunk COLLECT_LTO_WRAPPER=/usr/local/gcc-trunk/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../gcc-trunk/configure --prefix=/usr/local/gcc-trunk --enable-languages=c,c++ --disable-werror --enable-multilib Thread model: posix gcc version 4.9.0 20140223 (experimental) [trunk revision 208062] (GCC) $ $ gcc-trunk -O0 -c foo.c $ gcc-trunk -O0 -c main.c $ gcc-trunk -Os foo.o main.o $ a.out $ $ gcc-trunk -flto -O0 -c foo.c $ gcc-trunk -flto -O0 -c main.c $ gcc-trunk -flto -Os foo.o main.o $ a.out ^C $ $ gcc-4.8 -flto -O0 -c foo.c $ gcc-4.8 -flto -O0 -c main.c $ gcc-4.8 -flto -Os foo.o main.o $ a.out ^C $
