Commits
Andrew Trick committed 60f624e8ca8
[SILOpt] Fix speculative devirtualization miscompile. Properly handle limiting the number of speculative checks. This bug dates back to 2015-09-15, Swift 2.1. Fixes rdar:23228386. (cherry picked from commit e8fc64cdaec6e3f0312ada52d653ceb7fa1246a9)