diff options
Diffstat (limited to 'src/dotty/tools/dotc/core/Types.scala')
| -rw-r--r-- | src/dotty/tools/dotc/core/Types.scala | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/dotty/tools/dotc/core/Types.scala b/src/dotty/tools/dotc/core/Types.scala index 33d108540..feee05d86 100644 --- a/src/dotty/tools/dotc/core/Types.scala +++ b/src/dotty/tools/dotc/core/Types.scala @@ -104,9 +104,10 @@ object Types { */ def isRef(sym: Symbol)(implicit ctx: Context): Boolean = stripTypeVar match { case this1: TypeRef => - val thissym = this1.symbol - if (thissym.isAliasType) this1.info.bounds.hi.isRef(sym) - else thissym eq sym + this1.info match { // see comment in Namers/typeDefSig + case TypeBounds(lo, hi) if lo eq hi => hi.isRef(sym) + case _ => this1.symbol eq sym + } case this1: RefinedType => // make sure all refinements are type arguments this1.parent.isRef(sym) && this.argInfos.nonEmpty |