Our project has com.sociodox.utils.Base64, as source, included in a SWC project's source paths.
Starting with AIR15, the compiler is unable to resolve this Base64 class - I unzipped the SWC in question and looked at the catalog, and I found dependencies on it, but no definition.
The compiler is definitely processing the Base64.as file - I can introduce syntax errors into it, and the compiler catches them.
Again, this all worked correctly on AIR 14 and previous.
By chance, working on an unrelated issue, one of our developers discovered that adding the AIR SDK lib "gamepad.swc" to the project works around the error. Looking at the catalog for gamepad.swc, I see that the Sociodox Base64 class is defined there.
In short: the compiler can't resolve our Base64 class, forcing us to provide it from another source.
