[PATCH] D27600: [analyzer] Refine the diagnostics in the nullability checker to differentiate between nil and null

[Anna Zaks via Phabricator via cfe-commits]

zaks.anna created this revision.
zaks.anna added a reviewer: dcoughlin.
zaks.anna added subscribers: dergachev.a, cfe-commits.

This is a big deal for ObjC, where nullability annotations are extensively used. I've also changed "Null" -> "null" and removed "is" as this is the pattern that Sema is using.


https://reviews.llvm.org/D27600

Files:
  lib/StaticAnalyzer/Checkers/NullabilityChecker.cpp
  test/Analysis/nullability-no-arc.mm
  test/Analysis/nullability.mm
  test/Analysis/nullability_nullonly.mm

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