[PATCH 4/6] Factor out the default recovery handling.

[Kaelyn Takata]

The default handling is extended to properly create member expressions
and Objective-C ivar references.

Also detect and reject cases where multiple corrections have identical
correction distances and are valid, instead of suggesting the first one
that is found.
---
 lib/Sema/SemaExprCXX.cpp | 83 +++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 72 insertions(+), 11 deletions(-)

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