This patch ties up a loose end so that we can prove that we pass ABI information in the same way as X86. After the buildbots settle, it will be safe to migrate to the method used by ARM/PowerPC.
Patch by: Daniel Sanders
At this point we're down to two (was three) camps of targets and can prove this
due to the addition of the assertion. Once the buildbots are cleared, it's safe
to further migrate to a single camp.
The remaining camps are: