diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/reflect/scala/reflect/internal/Symbols.scala | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/reflect/scala/reflect/internal/Symbols.scala b/src/reflect/scala/reflect/internal/Symbols.scala index 8cebfabe6f..53a236fa3c 100644 --- a/src/reflect/scala/reflect/internal/Symbols.scala +++ b/src/reflect/scala/reflect/internal/Symbols.scala @@ -1672,12 +1672,23 @@ trait Symbols extends api.Symbols { self: SymbolTable => def filter(cond: Symbol => Boolean): Symbol = if (isOverloaded) { - val alts = alternatives - val alts1 = alts filter cond - if (alts1 eq alts) this + var changed = false + var alts0: List[Symbol] = alternatives + var alts1: List[Symbol] = Nil + + while (alts0.nonEmpty) { + if (cond(alts0.head)) + alts1 ::= alts0.head + else + changed = true + + alts0 = alts0.tail + } + + if (!changed) this else if (alts1.isEmpty) NoSymbol else if (alts1.tail.isEmpty) alts1.head - else owner.newOverloaded(info.prefix, alts1) + else owner.newOverloaded(info.prefix, alts1.reverse) } else if (cond(this)) this else NoSymbol |