Tasks `Log.HasLoggedError` now respects `MSBuildWarningsAsErrors`#6040

Closed

benvillalobos wants to merge 4 commits intodotnet:masterfrom benvillalobos:warningsaserrors-fix

+140-5

Commits on Jan 12, 2021

WIP - added method to ILoggingService to expose whether a warning code would be an error
benvillalobos
committed

Commits on Jan 13, 2021

WIP add ibuildengine8 and an event that notifies tasks when it logs a warning as an error
benvillalobos
committed

Commits on Jan 15, 2021