[PATCH] D15306: [llvm-profdata] Add support for weighted merge of profile data (2nd try)

[Nathan Slingerland via llvm-commits]

slingn added a comment.

Adding a few others for review since this has expanded beyond 'fix the Windows test issue' for the reverted http://reviews.llvm.org/D14547.


http://reviews.llvm.org/D15306