Fix handling of links and non-Linux file systems in Unix corerun
Fix handling of links and non-Linux file systems in Unix corerun

perfectphase/coreclr,dasMulli/coreclr,DasAllFolks/coreclr,shahid-pk/coreclr,gitchomik/coreclr,tijoytom/coreclr,swgillespie/coreclr,Godin/coreclr,pgavlin/coreclr,chaos7theory/coreclr,geertdoornbos/coreclr,JosephTremoulet/coreclr,zmaruo/coreclr,Djuffin/coreclr,bjjones/coreclr,alexperovich/coreclr,sagood/coreclr,cshung/coreclr,apanda/coreclr,orthoxerox/coreclr,poizan42/coreclr,sjsinju/coreclr,parjong/coreclr,Lucrecious/coreclr,vinnyrom/coreclr,cmckinsey/coreclr,Samana/coreclr,russellhadley/coreclr,chenxizhang/coreclr,ganeshran/coreclr,manu-silicon/coreclr,ragmani/coreclr,andschwa/coreclr,kyulee1/coreclr,martinwoodward/coreclr,krytarowski/coreclr,yizhang82/coreclr,LLITCHEV/coreclr,yeaicc/coreclr,manu-silicon/coreclr,fernando-rodriguez/coreclr,jamesqo/coreclr,James-Ko/coreclr,blackdwarf/coreclr,Alcaro/coreclr,manu-silicon/coreclr,krk/coreclr,ganeshran/coreclr,AlexGhiondea/coreclr,alexperovich/coreclr,stormleoxia/coreclr,libengu/coreclr,krixalis/coreclr,dkorolev/coreclr,hseok-oh/coreclr,stormleoxia/coreclr,mmitche/coreclr,chaos7theory/coreclr,sperling/coreclr,Alcaro/coreclr,ktos/coreclr,fffej/coreclr,mocsy/coreclr,cydhaselton/coreclr,naamunds/coreclr,richardlford/coreclr,manu-silicon/coreclr,jamesqo/coreclr,JonHanna/coreclr,bartdesmet/coreclr,ytechie/coreclr,jamesqo/coreclr,shahid-pk/coreclr,yeaicc/coreclr,JosephTremoulet/coreclr,KrzysztofCwalina/coreclr,jhendrixMSFT/coreclr,parjong/coreclr,Djuffin/coreclr,dpodder/coreclr,andschwa/coreclr,ZhichengZhu/coreclr,richardlford/coreclr,geertdoornbos/coreclr,chrishaly/coreclr,shana/coreclr,qiudesong/coreclr,Djuffin/coreclr,geertdoornbos/coreclr,grokys/coreclr,ZhichengZhu/coreclr,iamjasonp/coreclr,sagood/coreclr,wtgodbe/coreclr,swgillespie/coreclr,russellhadley/coreclr,dkorolev/coreclr,jamesqo/coreclr,benpye/coreclr,Samana/coreclr,YongseopKim/coreclr,grokys/coreclr,bartdesmet/coreclr,richardlford/coreclr,wateret/coreclr,bjjones/coreclr,yeaicc/coreclr,cmckinsey/coreclr,krk/coreclr,mskvortsov/coreclr,ramarag/coreclr,blackdwarf/coreclr,matthubin/coreclr,DasAllFolks/coreclr,misterzik/coreclr,jhendrixMSFT/coreclr,krytarowski/coreclr,Djuffin/coreclr,pgavlin/coreclr,OryJuVog/coreclr,GuilhermeSa/coreclr,sergey-raevskiy/coreclr,perfectphase/coreclr,fffej/coreclr,alexperovich/coreclr,James-Ko/coreclr,swgillespie/coreclr,wkchoy74/coreclr,DasAllFolks/coreclr,ZhichengZhu/coreclr,yizhang82/coreclr,KrzysztofCwalina/coreclr,Sridhar-MS/coreclr,krk/coreclr,MCGPPeters/coreclr,poizan42/coreclr,ytechie/coreclr,AlfredoMS/coreclr,bitcrazed/coreclr,roncain/coreclr,misterzik/coreclr,Lucrecious/coreclr,SlavaRa/coreclr,KrzysztofCwalina/coreclr,jamesqo/coreclr,wtgodbe/coreclr,andschwa/coreclr,wateret/coreclr,krk/coreclr,zmaruo/coreclr,YongseopKim/coreclr,fffej/coreclr,AlexGhiondea/coreclr,cmckinsey/coreclr,richardlford/coreclr,ramarag/coreclr,JosephTremoulet/coreclr,ganeshran/coreclr,jhendrixMSFT/coreclr,Alcaro/coreclr,MCGPPeters/coreclr,schellap/coreclr,tijoytom/coreclr,shahid-pk/coreclr,ericeil/coreclr,bitcrazed/coreclr,spoiledsport/coreclr,poizan42/coreclr,cydhaselton/coreclr,chuck-mitchell/coreclr,apanda/coreclr,ericeil/coreclr,andschwa/coreclr,botaberg/coreclr,david-mitchell/coreclr,xtypebee/coreclr,tijoytom/coreclr,matthubin/coreclr,James-Ko/coreclr,benpye/coreclr,taylorjonl/coreclr,bitcrazed/coreclr,ramarag/coreclr,dkorolev/coreclr,rartemev/coreclr,andschwa/coreclr,misterzik/coreclr,wkchoy74/coreclr,mokchhya/coreclr,rartemev/coreclr,bjjones/coreclr,DasAllFolks/coreclr,lzcj4/coreclr,shana/coreclr,yizhang82/coreclr,cshung/coreclr,bitcrazed/coreclr,YongseopKim/coreclr,cmckinsey/coreclr,hanu412/coreclr,bartonjs/coreclr,chaos7theory/coreclr,Samana/coreclr,qiudesong/coreclr,AlexGhiondea/coreclr,AlexGhiondea/coreclr,taylorjonl/coreclr,jakesays/coreclr,DickvdBrink/coreclr,LLITCHEV/coreclr,dkorolev/coreclr,swgillespie/coreclr,roncain/coreclr,Alcaro/coreclr,neurospeech/coreclr,grokys/coreclr,ytechie/coreclr,ruben-ayrapetyan/coreclr,josteink/coreclr,AlfredoMS/coreclr,schellap/coreclr,serenabenny/coreclr,ragmani/coreclr,ragmani/coreclr,matthubin/coreclr,LLITCHEV/coreclr,misterzik/coreclr,bartonjs/coreclr,serenabenny/coreclr,sperling/coreclr,josteink/coreclr,KrzysztofCwalina/coreclr,sagood/coreclr,SpotLabsNET/coreclr,jhendrixMSFT/coreclr,SlavaRa/coreclr,swgillespie/coreclr,chaos7theory/coreclr,sjsinju/coreclr,SlavaRa/coreclr,Alcaro/coreclr,hanu412/coreclr,bitcrazed/coreclr,orthoxerox/coreclr,sperling/coreclr,blackdwarf/coreclr,Dmitry-Me/coreclr,ericeil/coreclr,zmaruo/coreclr,James-Ko/coreclr,wateret/coreclr,zmaruo/coreclr,shana/coreclr,ruben-ayrapetyan/coreclr,cshung/coreclr,qiudesong/coreclr,mmitche/coreclr,kyulee1/coreclr,MCGPPeters/coreclr,bartonjs/coreclr,JonHanna/coreclr,poizan42/coreclr,david-mitchell/coreclr,roncain/coreclr,JonHanna/coreclr,ktos/coreclr,chenxizhang/coreclr,bartdesmet/coreclr,Sridhar-MS/coreclr,matthubin/coreclr,krk/coreclr,shahid-pk/coreclr,YongseopKim/coreclr,poizan42/coreclr,Lucrecious/coreclr,dpodder/coreclr,blackdwarf/coreclr,fernando-rodriguez/coreclr,iamjasonp/coreclr,bitcrazed/coreclr,josteink/coreclr,jhendrixMSFT/coreclr,serenabenny/coreclr,lzcj4/coreclr,jakesays/coreclr,vinnyrom/coreclr,sergey-raevskiy/coreclr,dasMulli/coreclr,ragmani/coreclr,iamjasonp/coreclr,rartemev/coreclr,lzcj4/coreclr,gitchomik/coreclr,mmitche/coreclr,James-Ko/coreclr,pgavlin/coreclr,neurospeech/coreclr,xtypebee/coreclr,andschwa/coreclr,dasMulli/coreclr,apanda/coreclr,DickvdBrink/coreclr,ruben-ayrapetyan/coreclr,rartemev/coreclr,gitchomik/coreclr,mmitche/coreclr,roncain/coreclr,schellap/coreclr,roncain/coreclr,mokchhya/coreclr,Godin/coreclr,sejongoh/coreclr,lzcj4/coreclr,ganeshran/coreclr,ktos/coreclr,AlexGhiondea/coreclr,DickvdBrink/coreclr,chrishaly/coreclr,bartdesmet/coreclr,stormleoxia/coreclr,hanu412/coreclr,schellap/coreclr,MCGPPeters/coreclr,JosephTremoulet/coreclr,botaberg/coreclr,gkhanna79/coreclr,taylorjonl/coreclr,hseok-oh/coreclr,vinnyrom/coreclr,neurospeech/coreclr,SpotLabsNET/coreclr,naamunds/coreclr,SlavaRa/coreclr,chaos7theory/coreclr,kyulee1/coreclr,mskvortsov/coreclr,Alcaro/coreclr,yeaicc/coreclr,Sridhar-MS/coreclr,KrzysztofCwalina/coreclr,perfectphase/coreclr,sergey-raevskiy/coreclr,GuilhermeSa/coreclr,geertdoornbos/coreclr,KrzysztofCwalina/coreclr,mskvortsov/coreclr,parjong/coreclr,ragmani/coreclr,fieryorc/coreclr,sergey-raevskiy/coreclr,iamjasonp/coreclr,sperling/coreclr,botaberg/coreclr,ktos/coreclr,dasMulli/coreclr,ktos/coreclr,ZhichengZhu/coreclr,perfectphase/coreclr,SpotLabsNET/coreclr,blackdwarf/coreclr,dkorolev/coreclr,dpodder/coreclr,grokys/coreclr,hanu412/coreclr,DickvdBrink/coreclr,ZhichengZhu/coreclr,jhendrixMSFT/coreclr,yeaicc/coreclr,ytechie/coreclr,fernando-rodriguez/coreclr,libengu/coreclr,MCGPPeters/coreclr,bartonjs/coreclr,mocsy/coreclr,gkhanna79/coreclr,josteink/coreclr,ZhichengZhu/coreclr,Godin/coreclr,qiudesong/coreclr,chuck-mitchell/coreclr,fffej/coreclr,mskvortsov/coreclr,SlavaRa/coreclr,Lucrecious/coreclr,sergey-raevskiy/coreclr,schellap/coreclr,krytarowski/coreclr,Godin/coreclr,manu-silicon/coreclr,Sridhar-MS/coreclr,botaberg/coreclr,benpye/coreclr,andschwa/coreclr,AlfredoMS/coreclr,sejongoh/coreclr,chenxizhang/coreclr,dasMulli/coreclr,wtgodbe/coreclr,bartdesmet/coreclr,pgavlin/coreclr,libengu/coreclr,hseok-oh/coreclr,naamunds/coreclr,manu-silicon/coreclr,fieryorc/coreclr,OryJuVog/coreclr,jhendrixMSFT/coreclr,lzcj4/coreclr,poizan42/coreclr,cshung/coreclr,sergey-raevskiy/coreclr,krytarowski/coreclr,Dmitry-Me/coreclr,martinwoodward/coreclr,josteink/coreclr,mokchhya/coreclr,bitcrazed/coreclr,gitchomik/coreclr,Djuffin/coreclr,iamjasonp/coreclr,tijoytom/coreclr,xtypebee/coreclr,krixalis/coreclr,spoiledsport/coreclr,richardlford/coreclr,SlavaRa/coreclr,kyulee1/coreclr,stormleoxia/coreclr,krytarowski/coreclr,xtypebee/coreclr,alexperovich/coreclr,Godin/coreclr,OryJuVog/coreclr,LLITCHEV/coreclr,JosephTremoulet/coreclr,jakesays/coreclr,naamunds/coreclr,schellap/coreclr,taylorjonl/coreclr,DickvdBrink/coreclr,perfectphase/coreclr,wkchoy74/coreclr,ruben-ayrapetyan/coreclr,ZhichengZhu/coreclr,mokchhya/coreclr,hanu412/coreclr,ramarag/coreclr,orthoxerox/coreclr,wkchoy74/coreclr,grokys/coreclr,matthubin/coreclr,spoiledsport/coreclr,vinnyrom/coreclr,grokys/coreclr,Dmitry-Me/coreclr,kyulee1/coreclr,spoiledsport/coreclr,ericeil/coreclr,OryJuVog/coreclr,orthoxerox/coreclr,Sridhar-MS/coreclr,chuck-mitchell/coreclr,fieryorc/coreclr,hseok-oh/coreclr,shana/coreclr,spoiledsport/coreclr,mocsy/coreclr,yizhang82/coreclr,fffej/coreclr,blackdwarf/coreclr,mokchhya/coreclr,zmaruo/coreclr,libengu/coreclr,chaos7theory/coreclr,AlfredoMS/coreclr,Lucrecious/coreclr,wtgodbe/coreclr,alexperovich/coreclr,JonHanna/coreclr,mocsy/coreclr,ramarag/coreclr,ganeshran/coreclr,fieryorc/coreclr,fernando-rodriguez/coreclr,Samana/coreclr,wkchoy74/coreclr,sagood/coreclr,mskvortsov/coreclr,mskvortsov/coreclr,chuck-mitchell/coreclr,SpotLabsNET/coreclr,mmitche/coreclr,geertdoornbos/coreclr,cmckinsey/coreclr,xoofx/coreclr,Dmitry-Me/coreclr,perfectphase/coreclr,bartonjs/coreclr,cshung/coreclr,dkorolev/coreclr,chrishaly/coreclr,bartdesmet/coreclr,yizhang82/coreclr,shana/coreclr,parjong/coreclr,libengu/coreclr,ytechie/coreclr,david-mitchell/coreclr,cmckinsey/coreclr,misterzik/coreclr,russellhadley/coreclr,chrishaly/coreclr,OryJuVog/coreclr,krixalis/coreclr,shana/coreclr,krixalis/coreclr,Dmitry-Me/coreclr,xoofx/coreclr,parjong/coreclr,ragmani/coreclr,chuck-mitchell/coreclr,sjsinju/coreclr,jamesqo/coreclr,dpodder/coreclr,jakesays/coreclr,ktos/coreclr,apanda/coreclr,stormleoxia/coreclr,dpodder/coreclr,josteink/coreclr,chuck-mitchell/coreclr,benpye/coreclr,sejongoh/coreclr,neurospeech/coreclr,vinnyrom/coreclr,stormleoxia/coreclr,sejongoh/coreclr,wateret/coreclr,wkchoy74/coreclr,vinnyrom/coreclr,Samana/coreclr,taylorjonl/coreclr,yeaicc/coreclr,ericeil/coreclr,parjong/coreclr,LLITCHEV/coreclr,lzcj4/coreclr,misterzik/coreclr,ytechie/coreclr,bartonjs/coreclr,sperling/coreclr,david-mitchell/coreclr,sejongoh/coreclr,cmckinsey/coreclr,cydhaselton/coreclr,gkhanna79/coreclr,krytarowski/coreclr,Dmitry-Me/coreclr,gitchomik/coreclr,pgavlin/coreclr,dasMulli/coreclr,serenabenny/coreclr,chrishaly/coreclr,fernando-rodriguez/coreclr,vinnyrom/coreclr,ganeshran/coreclr,serenabenny/coreclr,orthoxerox/coreclr,wateret/coreclr,rartemev/coreclr,LLITCHEV/coreclr,sejongoh/coreclr,cydhaselton/coreclr,JonHanna/coreclr,YongseopKim/coreclr,taylorjonl/coreclr,schellap/coreclr,James-Ko/coreclr,mocsy/coreclr,chenxizhang/coreclr,hanu412/coreclr,josteink/coreclr,xtypebee/coreclr,botaberg/coreclr,ktos/coreclr,russellhadley/coreclr,serenabenny/coreclr,ramarag/coreclr,sagood/coreclr,Lucrecious/coreclr,ericeil/coreclr,AlfredoMS/coreclr,manu-silicon/coreclr,ruben-ayrapetyan/coreclr,LLITCHEV/coreclr,zmaruo/coreclr,qiudesong/coreclr,iamjasonp/coreclr,qiudesong/coreclr,david-mitchell/coreclr,kyulee1/coreclr,bjjones/coreclr,sejongoh/coreclr,wkchoy74/coreclr,sjsinju/coreclr,mokchhya/coreclr,xoofx/coreclr,gitchomik/coreclr,mocsy/coreclr,roncain/coreclr,krixalis/coreclr,sperling/coreclr,hseok-oh/coreclr,Godin/coreclr,Samana/coreclr,martinwoodward/coreclr,sperling/coreclr,SpotLabsNET/coreclr,ruben-ayrapetyan/coreclr,apanda/coreclr,hseok-oh/coreclr,ramarag/coreclr,fernando-rodriguez/coreclr,neurospeech/coreclr,benpye/coreclr,fffej/coreclr,spoiledsport/coreclr,libengu/coreclr,DasAllFolks/coreclr,OryJuVog/coreclr,gkhanna79/coreclr,chenxizhang/coreclr,martinwoodward/coreclr,chenxizhang/coreclr,MCGPPeters/coreclr,chrishaly/coreclr,Lucrecious/coreclr,geertdoornbos/coreclr,cydhaselton/coreclr,stormleoxia/coreclr,GuilhermeSa/coreclr,martinwoodward/coreclr,YongseopKim/coreclr,Djuffin/coreclr,shahid-pk/coreclr,shahid-pk/coreclr,DasAllFolks/coreclr,yizhang82/coreclr,swgillespie/coreclr,wtgodbe/coreclr,bjjones/coreclr,naamunds/coreclr,pgavlin/coreclr,AlexGhiondea/coreclr,sjsinju/coreclr,neurospeech/coreclr,JosephTremoulet/coreclr,xoofx/coreclr,taylorjonl/coreclr,DickvdBrink/coreclr,KrzysztofCwalina/coreclr,cshung/coreclr,Godin/coreclr,shahid-pk/coreclr,SpotLabsNET/coreclr,gkhanna79/coreclr,mokchhya/coreclr,swgillespie/coreclr,jakesays/coreclr,GuilhermeSa/coreclr,richardlford/coreclr,xtypebee/coreclr,bartdesmet/coreclr,martinwoodward/coreclr,krixalis/coreclr,david-mitchell/coreclr,gkhanna79/coreclr,chuck-mitchell/coreclr,benpye/coreclr,fieryorc/coreclr,botaberg/coreclr,krk/coreclr,JonHanna/coreclr,tijoytom/coreclr,roncain/coreclr,wateret/coreclr,dpodder/coreclr,rartemev/coreclr,mocsy/coreclr,matthubin/coreclr,martinwoodward/coreclr,geertdoornbos/coreclr,fieryorc/coreclr,sjsinju/coreclr,naamunds/coreclr,tijoytom/coreclr,dasMulli/coreclr,apanda/coreclr,alexperovich/coreclr,bartonjs/coreclr,bjjones/coreclr,cydhaselton/coreclr,wtgodbe/coreclr,naamunds/coreclr,xoofx/coreclr,orthoxerox/coreclr,russellhadley/coreclr,jakesays/coreclr,GuilhermeSa/coreclr,sagood/coreclr,AlfredoMS/coreclr,Dmitry-Me/coreclr,xoofx/coreclr,blackdwarf/coreclr,russellhadley/coreclr,Sridhar-MS/coreclr,mmitche/coreclr,benpye/coreclr,yeaicc/coreclr,GuilhermeSa/coreclr