(unw_get_save_loc): New variable "nat_bitnr". 	Adjust NaT-bit handling.  Much simpler now. 	Pass NULL as new third argument to ia64_scratch_loc(). 	Set save_loc->extra.nat_bitnr to the NaT bit number (or 0 	when not accessing a NaT bit).
(unw_get_save_loc): New variable "nat_bitnr".
	Adjust NaT-bit handling.  Much simpler now.
	Pass NULL as new third argument to ia64_scratch_loc().
	Set save_loc->extra.nat_bitnr to the NaT bit number (or 0
	when not accessing a NaT bit).

(Logical change 1.181)

frida/libunwind,evaautomation/libunwind,krytarowski/libunwind,joyent/libunwind,tkelman/libunwind,pathscale/libunwind,wdv4758h/libunwind,martyone/libunwind,project-zerus/libunwind,djwatson/libunwind,tony/libunwind,libunwind/libunwind,pathscale/libunwind,fillexen/libunwind,atanasyan/libunwind-android,rogwfu/libunwind,tronical/libunwind,dagar/libunwind,jrmuizel/libunwind,geekboxzone/mmallow_external_libunwind,Keno/libunwind,DroidSim/platform_external_libunwind,Chilledheart/libunwind,rogwfu/libunwind,atanasyan/libunwind-android,lat/libunwind,fillexen/libunwind,tronical/libunwind,martyone/libunwind,rntz/libunwind,rantala/libunwind,androidarmv6/android_external_libunwind,CyanogenMod/android_external_libunwind,dropbox/libunwind,ehsan/libunwind,tkelman/libunwind,djwatson/libunwind,android-ia/platform_external_libunwind,vtjnash/libunwind,bo-on-software/libunwind,yuyichao/libunwind,igprof/libunwind,djwatson/libunwind,DroidSim/platform_external_libunwind,adsharma/libunwind,0xlab/0xdroid-external_libunwind,wdv4758h/libunwind,zeldin/platform_external_libunwind,maltek/platform_external_libunwind,jrmuizel/libunwind,olibc/libunwind,Chilledheart/libunwind,tronical/libunwind,geekboxzone/lollipop_external_libunwind,joyent/libunwind,cms-externals/libunwind,androidarmv6/android_external_libunwind,igprof/libunwind,zliu2014/libunwind-tilegx,wdv4758h/libunwind,geekboxzone/mmallow_external_libunwind,dreal-deps/libunwind,dropbox/libunwind,rantala/libunwind,geekboxzone/mmallow_external_libunwind,mpercy/libunwind,cloudius-systems/libunwind,zeldin/platform_external_libunwind,android-ia/platform_external_libunwind,fdoray/libunwind,android-ia/platform_external_libunwind,CyanogenMod/android_external_libunwind,rntz/libunwind,dagar/libunwind,lat/libunwind,SyndicateRogue/libunwind,mpercy/libunwind,cloudius-systems/libunwind,lat/libunwind,ehsan/libunwind,martyone/libunwind,pathscale/libunwind,tony/libunwind,atanasyan/libunwind,vtjnash/libunwind,geekboxzone/lollipop_external_libunwind,krytarowski/libunwind,fdoray/libunwind,0xlab/0xdroid-external_libunwind,SyndicateRogue/libunwind,yuyichao/libunwind,Keno/libunwind,DroidSim/platform_external_libunwind,vegard/libunwind,dropbox/libunwind,frida/libunwind,Keno/libunwind,dreal-deps/libunwind,joyent/libunwind,rogwfu/libunwind,dagar/libunwind,bo-on-software/libunwind,zeldin/platform_external_libunwind,igprof/libunwind,evaautomation/libunwind,vtjnash/libunwind,unkadoug/libunwind,krytarowski/libunwind,libunwind/libunwind,libunwind/libunwind,unkadoug/libunwind,fdoray/libunwind,0xlab/0xdroid-external_libunwind,zliu2014/libunwind-tilegx,geekboxzone/lollipop_external_libunwind,olibc/libunwind,cms-externals/libunwind,tkelman/libunwind,unkadoug/libunwind,CyanogenMod/android_external_libunwind,cms-externals/libunwind,atanasyan/libunwind,adsharma/libunwind,dreal-deps/libunwind,adsharma/libunwind,atanasyan/libunwind-android,rntz/libunwind,androidarmv6/android_external_libunwind,rantala/libunwind,maltek/platform_external_libunwind,vegard/libunwind,zliu2014/libunwind-tilegx,bo-on-software/libunwind,tony/libunwind,mpercy/libunwind,fillexen/libunwind,vegard/libunwind,maltek/platform_external_libunwind,ehsan/libunwind,cloudius-systems/libunwind,jrmuizel/libunwind,olibc/libunwind,evaautomation/libunwind,atanasyan/libunwind,yuyichao/libunwind,SyndicateRogue/libunwind,project-zerus/libunwind,Chilledheart/libunwind,project-zerus/libunwind,frida/libunwind