Remove excessive padding from LineNoCacheTy

The struct LineNoCacheTy is in SourceMgr.cpp inside anonymous namespace.
This diff changes the order of fields and removes the excessive padding
(8 bytes).

Patch by Alexander Shaposhnikov!

Differential revision: https://reviews.llvm.org/D23546

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@278838 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed