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Buggy:
treeCopy.Select(sel, sel.qual, sel.name) setSymbol null
Select(sel, sel.qual, sel.name)
Okay:
treeCopy.Select(sel, sel.qual, sel.name)
Select(sel, sel.qual, sel.symbol.name) // but doesn't copyAttrs!
It is an easy mistake to make, I've found one more occurance:
def foo(a: Any) = { import a.{toString => toS}; toS }
error: uncaught exception during compilation: scala.reflect.internal.FatalError
scala.reflect.internal.FatalError: class Object does not have a member toS
at scala.reflect.internal.Definitions$DefinitionsClass.scala$reflect$internal$Definitions$DefinitionsClass$$fatalMissingSymbol(Definitions.scala:1028)
A followup commit will address that problem.
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