[PATCH] D13117: [DarwinDriver] Use -lto_library to specify the path for libLTO.dylib

[Duncan P. N. Exon Smith via cfe-commits]

dexonsmith added a comment.

Sorry for the review fragmentation, but I just noticed there's no test
for the new warning.  Can you add one?  After that, LGTM.


Repository:
  rL LLVM

http://reviews.llvm.org/D13117