make[5]: Entering directory '/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/x86_64-w64-mingw32/libstdc++-v3/libsupc++'
/bin/sh ../libtool --tag CXX --tag disable-shared   --mode=compile /c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/./gcc/xgcc -shared-libgcc -B/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/./gcc -nostdinc++ -L/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/x86_64-w64-mingw32/libstdc++-v3/src -L/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/x86_64-w64-mingw32/libstdc++-v3/src/.libs -L/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/x86_64-w64-mingw32/libstdc++-v3/libsupc++/.libs -L/mingw64/x86_64-w64-mingw32/lib -L/mingw64/mingw/lib -isystem /mingw64/x86_64-w64-mingw32/include -isystem /mingw64/mingw/include -B/mingw64/x86_64-w64-mingw32/bin/ -B/mingw64/x86_64-w64-mingw32/lib/ -isystem /mingw64/x86_64-w64-mingw32/include -isystem /mingw64/x86_64-w64-mingw32/sys-include    -I/c/mingw490/src/gcc-trunk/libstdc++-v3/../libgcc -I/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/x86_64-w64-mingw32/libstdc++-v3/include/x86_64-w64-mingw32 -I/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/x86_64-w64-mingw32/libstdc++-v3/include -I/c/mingw490/src/gcc-trunk/libstdc++-v3/libsupc++  -prefer-pic -D_GLIBCXX_SHARED -fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi  -fdiagnostics-show-location=once    -ffunction-sections -fdata-sections  -frandom-seed=new_opnt.lo -g -O2 -pipe -I/c/mingw490/x64-trunk-posix-sjlj/libs/include -I/c/mingw490/mingw-prereq/x64-zlib/include -I/c/mingw490/mingw-prereq/x86_64-w64-mingw32-static/include  -std=gnu++11 -c ../../../../../../src/gcc-trunk/libstdc++-v3/libsupc++/new_opnt.cc
libtool: compile:  /c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/./gcc/xgcc -shared-libgcc -B/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/./gcc -nostdinc++ -L/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/x86_64-w64-mingw32/libstdc++-v3/src -L/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/x86_64-w64-mingw32/libstdc++-v3/src/.libs -L/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/x86_64-w64-mingw32/libstdc++-v3/libsupc++/.libs -L/mingw64/x86_64-w64-mingw32/lib -L/mingw64/mingw/lib -isystem /mingw64/x86_64-w64-mingw32/include -isystem /mingw64/mingw/include -B/mingw64/x86_64-w64-mingw32/bin/ -B/mingw64/x86_64-w64-mingw32/lib/ -isystem /mingw64/x86_64-w64-mingw32/include -isystem /mingw64/x86_64-w64-mingw32/sys-include -I/c/mingw490/src/gcc-trunk/libstdc++-v3/../libgcc -I/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/x86_64-w64-mingw32/libstdc++-v3/include/x86_64-w64-mingw32 -I/c/mingw490/x64-trunk-posix-sjlj/build/gcc-trunk/x86_64-w64-mingw32/libstdc++-v3/include -I/c/mingw490/src/gcc-trunk/libstdc++-v3/libsupc++ -D_GLIBCXX_SHARED -fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi -fdiagnostics-show-location=once -ffunction-sections -fdata-sections -frandom-seed=new_opnt.lo -g -O2 -pipe -I/c/mingw490/x64-trunk-posix-sjlj/libs/include -I/c/mingw490/mingw-prereq/x64-zlib/include -I/c/mingw490/mingw-prereq/x86_64-w64-mingw32-static/include -std=gnu++11 -c ../../../../../../src/gcc-trunk/libstdc++-v3/libsupc++/new_opnt.cc -o new_opnt.o
{standard input}: Assembler messages:
{standard input}:76: Error: bad register name `%xmm31'
{standard input}:77: Error: invalid register for .seh_savexmm
{standard input}:177: Error: bad register name `%xmm31'
Makefile:865: recipe for target 'new_opnt.lo' failed
make[5]: *** [new_opnt.lo] Error 1