https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83286
--- Comment #4 from Alex Weslowski <aweslowski at gmail dot com> --- Verbose output: Making gp in O6.1-none-msys_nt make[1]: Entering directory 'pari-2.9.3/O6.1-none-msys_nt' /usr/bin/gcc -v -save-temps -c -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer -funroll-loops -fPIC -I. -I../src/headers -o mpker.o mpker.c Using built-in specs. COLLECT_GCC=/usr/bin/gcc Target: x86_64-pc-msys Configured with: /msys_scripts/gcc/src/gcc-6.4.0/configure --build=x86_64-pc-msys --prefix=/usr --libexecdir=/usr/lib --enable-bootstrap --enable-shared --enable-shared-libgcc --enable-static --enable-version-specific-runtime-libs --with-arch=x86-64 --with-tune=generic --disable-multilib --enable-__cxa_atexit --with-dwarf2 --enable-languages=c,c++,fortran,lto --enable-graphite --enable-threads=posix --enable-libatomic --enable-libcilkrts --enable-libgomp --enable-libitm --enable-libquadmath --enable-libquadmath-support --enable-libssp --disable-win32-registry --disable-symvers --with-gnu-ld --with-gnu-as --disable-isl-version-check --enable-checking=release --without-libiconv-prefix --without-libintl-prefix --with-system-zlib --enable-linker-build-id --with-default-libstdcxx-abi=gcc4-compatible Thread model: posix gcc version 6.4.0 (GCC) COLLECT_GCC_OPTIONS='-v' '-save-temps' '-c' '-O3' '-Wall' '-fno-strict-aliasing' '-fomit-frame-pointer' '-funroll-loops' '-fPIC' '-I' '.' '-I' '../src/headers' '-o' 'mpker.o' '-mtune=generic' '-march=x86-64' /usr/lib/gcc/x86_64-pc-msys/6.4.0/cc1.exe -E -quiet -v -I . -I ../src/headers -Dunix -idirafter /usr/lib/../lib/../include/w32api -idirafter /usr/lib/gcc/x86_64-pc-msys/6.4.0/../../../../x86_64-pc-msys/lib/../lib/../../include/w32api mpker.c -mtune=generic -march=x86-64 -Wall -fno-strict-aliasing -fomit-frame-pointer -funroll-loops -fPIC -O3 -fpch-preprocess -o mpker.i ignoring nonexistent directory "/usr/local/include" ignoring nonexistent directory "/usr/lib/gcc/x86_64-pc-msys/6.4.0/../../../../x86_64-pc-msys/include" ignoring duplicate directory "/usr/lib/gcc/x86_64-pc-msys/6.4.0/../../../../x86_64-pc-msys/lib/../lib/../../include/w32api" #include "..." search starts here: #include <...> search starts here: . ../src/headers /usr/lib/gcc/x86_64-pc-msys/6.4.0/include /usr/lib/gcc/x86_64-pc-msys/6.4.0/include-fixed /usr/include /usr/lib/../lib/../include/w32api End of search list. COLLECT_GCC_OPTIONS='-v' '-save-temps' '-c' '-O3' '-Wall' '-fno-strict-aliasing' '-fomit-frame-pointer' '-funroll-loops' '-fPIC' '-I' '.' '-I' '../src/headers' '-o' 'mpker.o' '-mtune=generic' '-march=x86-64' /usr/lib/gcc/x86_64-pc-msys/6.4.0/cc1.exe -fpreprocessed mpker.i -quiet -dumpbase mpker.c -mtune=generic -march=x86-64 -auxbase-strip mpker.o -O3 -Wall -version -fno-strict-aliasing -fomit-frame-pointer -funroll-loops -fPIC -o mpker.s GNU C11 (GCC) version 6.4.0 (x86_64-pc-msys) compiled by GNU C version 6.4.0, GMP version 6.1.2, MPFR version 3.1.5-p2, MPC version 1.0.3, isl version 0.15 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 GNU C11 (GCC) version 6.4.0 (x86_64-pc-msys) compiled by GNU C version 6.4.0, GMP version 6.1.2, MPFR version 3.1.5-p2, MPC version 1.0.3, isl version 0.15 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: 24bcd17f6cf5e28e81030c79700f6f57 In file included from ../src/headers/pari.h:49:0, from ../src/kernel/none/mp.c:20: ../src/kernel/none/divll_pre.h: In function ‘get_Fl_red’: ../src/kernel/none/divll_pre.h:31:1: internal compiler error: Illegal instruction } ^ gcc: internal compiler error: Segmentation fault (program cc1) make[1]: *** [Makefile:970: mpker.o] Error 4 make[1]: Leaving directory 'pari-2.9.3/O6.1-none-msys_nt' make: *** [Makefile:34: gp] Error 2