Refine todo comment

Author: odersky

src/dotty/tools/dotc/core/unpickleScala2/Scala2Unpickler.scala

@@ -179,7 +179,7 @@ class Scala2Unpickler(bytes: Array[Byte], classRoot: ClassDenotation, moduleClas
     val ex = new BadSignature(
       sm"""error reading Scala signature of $classRoot from $source:
           |error occurred at position $readIndex: $msg""")
-    if (ctx.debug || true) original.getOrElse(ex).printStackTrace() // temporarilly enable printing of original failure signature to debug failing builds
+    if (ctx.debug || true) original.getOrElse(ex).printStackTrace() // temporarily enable printing of original failure signature to debug failing builds
     throw ex
   }
 

src/dotty/tools/dotc/typer/Applications.scala

@@ -925,7 +925,9 @@ trait Applications extends Compatibility { self: Typer =>
     /** Drop any implicit parameter section */
     def stripImplicit(tp: Type): Type = tp match {
       case mt: ImplicitMethodType if !mt.isDependent =>
-        mt.resultType // todo: make sure implicit method types are not dependent
+        mt.resultType
+          // todo: make sure implicit method types are not dependent?
+          // but check test case in /tests/pos/depmet_implicit_chaining_zw.scala
       case pt: PolyType =>
         pt.derivedPolyType(pt.paramNames, pt.paramBounds, stripImplicit(pt.resultType))
       case _ =>