Add code owners for profiling and coverage

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223988 91177308-0d34-0410-b5e6-96231b3b80d8
Fix some incorrectly sorted entries in CODE_OWNERS

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223989 91177308-0d34-0410-b5e6-96231b3b80d8
Try again at sorting entries in CODE_OWNERS

I apparently fail at the alphabet, E is not after G, and G isn't even
close to C. Sorry for the noise.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223990 91177308-0d34-0410-b5e6-96231b3b80d8
LiveInterval: Use range based for loops for subregister ranges.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223991 91177308-0d34-0410-b5e6-96231b3b80d8