main
Validate pooled objects in compiler tests (#82784)
Warn for multiple blank lines in source (#65451)
Fix Double-to-Long overflow check (#73016)
Ensure custom attributes bag of a parameter backing field is properly initialized during "completion" of a primary constructor. (#80424)
Update code to use GetFirstLocation() instead of Locations[0] or Locations.First() (#80709)
Merge remote-tracking branch 'dotnet/master' into UsedAssemblies_13
update headers