-Os -ftracer -momit-leaf-frame-pointer -Os -O1 -O2 -O3 -mpreferred-stack-boundary=2 -fno-strict-aliasing -Wno-strict-aliasing -Wpointer-arith -Wno-multichar -gstabs+ /O1 /O2 /Ox /GS- /Ot /Ox /GS- /Os /Ox /GS- /Os /Ob2 /GF /Gy /GS- -gstabs+ -disable-stdcall-fixup