[ms-inline-asm] Cleanup MS style inline assembly parsing.

Specifically, improve the handling of whitespace, stop saving tokens that are
in comments and fix the case where we have a comment followed by a closing brace
on the next line.

Unfortunately, there's no easy way of testing this code.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158367 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed