http://trac.webkit.org/changeset/177421 added an ifdef for older iOS versions, because ARM64 was renamed to Aarch64. But on Linux we use LLVM 3.5 for FTL JIT, which don't use ARM64, but Aarch64.
Created attachment 247417 [details] Patch
cc-ing more reviewers
Comment on attachment 247417 [details] Patch r=me
Comment on attachment 247417 [details] Patch Clearing flags on attachment: 247417 Committed r181083: <http://trac.webkit.org/changeset/181083>
All reviewed patches have been landed. Closing bug.