diff options
| -rw-r--r-- | src/reflect/scala/reflect/internal/BaseTypeSeqs.scala | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/reflect/scala/reflect/internal/BaseTypeSeqs.scala b/src/reflect/scala/reflect/internal/BaseTypeSeqs.scala index eba10e8ffb..18a4a36840 100644 --- a/src/reflect/scala/reflect/internal/BaseTypeSeqs.scala +++ b/src/reflect/scala/reflect/internal/BaseTypeSeqs.scala @@ -193,15 +193,23 @@ trait BaseTypeSeqs { i += 1 } var minTypes: List[Type] = List() + def alreadyInMinTypes(tp: Type): Boolean = { + @annotation.tailrec def loop(tps: List[Type]): Boolean = tps match { + case Nil => false + case x :: xs => (tp =:= x) || loop(xs) + } + loop(minTypes) + } + i = 0 while (i < nparents) { if (nextTypeSymbol(i) == minSym) { nextRawElem(i) match { case RefinedType(variants, decls) => for (tp <- variants) - if (!(minTypes exists (tp =:= _))) minTypes = tp :: minTypes + if (!alreadyInMinTypes(tp)) minTypes ::= tp case tp => - if (!(minTypes exists (tp =:= _))) minTypes = tp :: minTypes + if (!alreadyInMinTypes(tp)) minTypes ::= tp } index(i) = index(i) + 1 } |