id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc 12411,Boost coroutines 1.61 do not preserve fpu registers with O2 optimizations in Visual Studio,martin_haas@…,olli,"When compiling program with O2 optimization setting, coroutine function is not preserving the fpu registers. This does work correctly in 1.60, but not 1.61. I saw that this attribute was removed in 1.61.",Bugs,closed,To Be Determined,context,Boost 1.61.0,Problem,fixed,fpu registers,