(nerrors): New global variable. (verbose): Ditto. (do_unwind_tests): Add sanity checking. (main): Be verbose only if there is an argument, print error summary.
(nerrors): New global variable.
(verbose): Ditto.
(do_unwind_tests): Add sanity checking.
(main): Be verbose only if there is an argument, print error summary.

(Logical change 1.42)

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