diff options
Diffstat (limited to 'src/compiler/scala/tools/nsc/typechecker/RefChecks.scala')
| -rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/RefChecks.scala | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala b/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala index e88545992c..ea640cc661 100644 --- a/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala +++ b/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala @@ -175,7 +175,9 @@ abstract class RefChecks extends InfoTransform { } else if (!(other hasFlag DEFERRED) && !(member hasFlag (OVERRIDE | ABSOVERRIDE))) { // (1.3) overrideError("needs `override' modifier"); } else if ((other hasFlag ABSOVERRIDE) && other.isIncompleteIn(clazz) && !(member hasFlag ABSOVERRIDE)) { - overrideError("needs `abstract override' modifiers"); + overrideError("needs `abstract override' modifiers") + } else if ((member hasFlag (OVERRIDE | ABSOVERRIDE)) && (other hasFlag ACCESSOR) && other.accessed.isVariable) { + overrideError("cannot override a mutable variable") } else if (other.isStable) { if (!member.isStable) // (1.4) overrideError("needs to be an immutable value") @@ -558,7 +560,7 @@ abstract class RefChecks extends InfoTransform { case TypeTree() => new TypeTraverser { - def traverse(tp: Type) = tp match { + def traverse(tp: Type): TypeTraverser = tp match { case TypeRef(pre, sym, args) => checkBounds(sym.typeParams, args); this case _ => this } |