Load LC from primary in secondary bounces.

[Klonsemann]

What are the disadvantages when precalculating the LC as primary bounces with secondary set to none ?
Loading that vrlmap in secondary bounces with primary set to irrmap when rendering the final image.

[Klonsemann]

After taking a look in "The Complete Guide" chapter GI bounces i found an answere.
Its tecknical possible to do that, but produces a wrong Global Illumination.