Artem Dergachev fbe891ee05 [analyzer] Nullability: fix notes around synthesized ObjC property accessors. ...

Nullable-to-nonnull checks used to crash when the custom bug visitor was trying
to add its notes to autosynthesized accessors of Objective-C properties.

Now we avoid this, mostly automatically outside of checker control, by
moving the diagnostic to the parent stack frame where the accessor has been
called.

Differential revision: https://reviews.llvm.org/D32437

llvm-svn: 304710

2017-06-05 12:40:03 +00:00

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