[PATCH] D11463: [AArch64] Define subtarget feature "reserve-x18"

[Eric Christopher]

echristo added a subscriber: echristo.
echristo added a comment.

So you're defining it to true here and only have an option to set it to
true from the front end.

How would you turn it off? :)

-eric


http://reviews.llvm.org/D11463