ReadSourceManagerBlock is skipping over records that can contain Blobs.  Not passing
in a StringRef to bind to them forces them to be unpacked into the Record as individual
bytes.  This is wasteful, but not likely to be measurable in this instance.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173066 91177308-0d34-0410-b5e6-96231b3b80d8
[analyzer] Show notes inside implicit calls at the last explicit call site.

Before:
  struct Wrapper { <-- 2. Calling default constructor for 'NonTrivial'.
    NonTrivial m;
  };

  Wrapper w; <-- 1. Calling implicit default constructor for 'Wrapper'.

After:
  struct Wrapper {
    NonTrivial m;
  };

  Wrapper w; <-- 1. Calling implicit default constructor for 'Wrapper'.
             ^-- 2. Calling default constructor for 'NonTrivial'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173067 91177308-0d34-0410-b5e6-96231b3b80d8