diff options
Diffstat (limited to 'src/dotty/tools/dotc/core/Types.scala')
| -rw-r--r-- | src/dotty/tools/dotc/core/Types.scala | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/dotty/tools/dotc/core/Types.scala b/src/dotty/tools/dotc/core/Types.scala index 088a2e3af..36b546230 100644 --- a/src/dotty/tools/dotc/core/Types.scala +++ b/src/dotty/tools/dotc/core/Types.scala @@ -756,6 +756,11 @@ object Types { def typeParamNamed(name: TypeName)(implicit ctx: Context): Symbol = classSymbol.decls.lookup(name) orElse member(name).symbol + /** If this is a prototype with some ignored component, reveal one more + * layer of it. Otherwise the type itself. + */ + def deepenProto(implicit ctx: Context): Type = this + // ----- Substitutions ----------------------------------------------------- /** Substitute all types that refer in their symbol attribute to @@ -1057,12 +1062,13 @@ object Types { if (owner.isTerm) d else d.asSeenFrom(prefix) } - private def checkSymAssign(sym: Symbol) = + private def checkSymAssign(sym: Symbol)(implicit ctx: Context) = assert( (lastSymbol eq sym) || (lastSymbol eq null) || (lastSymbol.defRunId != sym.defRunId) || - (lastSymbol.defRunId == NoRunId), + (lastSymbol.defRunId == NoRunId) || + (lastSymbol.infoOrCompleter == ErrorType), s"data race? overwriting symbol of $this / ${this.getClass} / ${lastSymbol.id} / ${sym.id}") protected def sig: Signature = Signature.NotAMethod |