Don't crash GenBCode for value classes with a self declaration

If a value class has a self declaration

  class V(x: Long) extends AnyVal { self => /* ... */ }

`vClassSymbol.typeOfThis.typeSymbol` is `class Long` in the backend.

The InlineInfo for traits contains a field for the self type of the
trait. This is required for re-writing calls to final trait methods
to the static implementation method: the self type appears in the
impl method signature.

By mistake, the backend was recording the self type of all classes,
not only of traits. In the case of a value class with a self
declaration, this broke the assumption that the self type is always
a class type (not a primitive type).

The simple fix: only record the self type for traits.

0 files changed, 0 insertions, 0 deletions