Merge pull request scala#6033 from retronym/ticket/owner-stub

Rightful owners for stub symbols

Author: lrytz

src/reflect/scala/reflect/internal/pickling/UnPickler.scala

@@ -254,7 +254,7 @@ abstract class UnPickler {
                     |A full rebuild may help if '$filename' was compiled against an incompatible version of ${owner.fullName}.$advice""".stripMargin
               val stubName = if (tag == EXTref) name else name.toTypeName
               // The position of the error message is set by `newStubSymbol`
-              NoSymbol.newStubSymbol(stubName, missingMessage)
+              owner.newStubSymbol(stubName, missingMessage)
             }
           }
         }

test/files/neg/t5148.check

@@ -4,10 +4,10 @@ Make sure that term memberHandlers is in your classpath and check for conflictin
 A full rebuild may help if 'Imports.class' was compiled against an incompatible version of scala.tools.nsc.interpreter.IMain.
 class IMain extends Imports
             ^
-t5148.scala:4: error: Symbol 'type <none>.Request.Wrapper' is missing from the classpath.
+t5148.scala:4: error: Symbol 'type scala.tools.nsc.interpreter.IMain.Request.Wrapper' is missing from the classpath.
 This symbol is required by 'value scala.tools.nsc.interpreter.Imports.wrapper'.
 Make sure that type Wrapper is in your classpath and check for conflicting dependencies with `-Ylog-classpath`.
-A full rebuild may help if 'Imports.class' was compiled against an incompatible version of <none>.Request.
+A full rebuild may help if 'Imports.class' was compiled against an incompatible version of scala.tools.nsc.interpreter.IMain.Request.
 class IMain extends Imports
       ^
 two errors found