(pop): Returning the right element does help... (pick): Likewise. (dwarf_eval_expr): Fix "while" conditional so we see all operators. 	Fix DW_OP_litN typo: "opcode = DW_OP_lit0" to 	"opcode - DW_OP_lit0". 	Add lots of Debug() statements so we can see what's going 	on.  Debug level 15 will show just entry/return values. 	Debug level 16 shows all operators.
(pop): Returning the right element does help...
(pick): Likewise.
(dwarf_eval_expr): Fix "while" conditional so we see all operators.
	Fix DW_OP_litN typo: "opcode = DW_OP_lit0" to
	"opcode - DW_OP_lit0".
	Add lots of Debug() statements so we can see what's going
	on.  Debug level 15 will show just entry/return values.
	Debug level 16 shows all operators.

(Logical change 1.290)

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