On the flto bot enable using full LTO instead of just swift only LTO.

gottesmm · gottesmm · commit da77ba5e68bb · 2016-03-01T16:39:51.000-08:00
diff --git a/utils/build-presets.ini b/utils/build-presets.ini
@@ -182,6 +182,7 @@ skip-test-ios-host
 skip-test-tvos-host
 skip-test-watchos-host
 swift-enable-lto=1
+llvm-enable-lto=1
 
 #===------------------------------------------------------------------------===#
 # Incremental buildbots for Darwin OSes
