Duncan P. N. Exon Smith 6eeaff169d Support: Stop relying on iterator auto-conversion, NFC ...

Stop relying on ilist implicit conversions from `value_type&` to
`iterator` in YAMLParser.cpp.

I eventually want to outlaw this entirely.  It encourages
`getNextNode()` and `getPrevNode()` in iterator logic, which is
extremely fragile (and relies on them never returning `nullptr`).

FTR, there's nothing nefarious going on in this case, it was just easy
to clean up since the callers really wanted iterators to begin with.

llvm-svn: 249767

2015-10-08 22:47:55 +00:00

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