http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58942
--- Comment #1 from tprince at computer dot org --- gcc -O2 -ftree-vectorize -fopenmp -std=c99 -funroll-loops --param max-unroll-times=4 -c -fcilkplus -v s315.i Using built-in specs. COLLECT_GCC=gcc Target: x86_64-unknown-linux-gnu Configured with: ../configure --prefix=/usr/local/gcc-4.9 --enable-languages='c c++ fortran' Thread model: posix gcc version 4.9.0 20131031 (experimental) (GCC) COLLECT_GCC_OPTIONS='-O2' '-ftree-vectorize' '-fopenmp' '-std=c99' '-funroll-loops' '--param' 'max-unroll-times=4' '-c' '-fcilkplus' '-v' '-mtune=generic' '-march=x86-64' '-pthread' /usr/local/gcc-4.9/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/cc1 -fpreprocessed s315.i -quiet -dumpbase s315.i -mtune=generic -march=x86-64 -auxbase s315 -O2 -std=c99 -version -ftree-vectorize -fopenmp -funroll-loops -fcilkplus --param max-unroll-times=4 -o /tmp/ccwvvwef.s GNU C (GCC) version 4.9.0 20131031 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.9.0 20131031 (experimental), GMP version 4.3.2, MPFR version 2.4.2, MPC version 0.8.1 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 GNU C (GCC) version 4.9.0 20131031 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.9.0 20131031 (experimental), GMP version 4.3.2, MPFR version 2.4.2, MPC version 0.8.1 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: 0002240542c88ef466dc653c18157e56