this twitter thread makes the post somewhat more interesting: https://twitter.com/BruceDawson0xB/status/793177917949739008 https://twitter.com/BruceDawson0xB/st

this twitter thread makes the post somewhat more interesting: https://twitter.com/BruceDawson0xB/status/793177917949739008 https://twitter.com/BruceDawson0xB/status/793177917949739008 Specifically, (one reason) why this wasn't done years ago[1] and bugs found when switched to PGO[2] [1] https://connect.microsoft.com/VisualStudio/feedback/details/1064219/ltcg-linking-of-chromes-pdf-dll-spends-60-of-time-in-c2-dll-ssrfree https://connect.microsoft.com/VisualStudio/feedback/details/... [2] https://randomascii.wordpress.com/2016/03/24/compiler-bugs-found-when-porting-chromium-to-vc-2015/ https://randomascii.wordpress.com/2016/03/24/compiler-bugs-f...