[PATCH] D78066: [SemaObjC] Forbid storing an unboxed integer literal in an NSNumber

[Erik Pilkington via Phabricator via cfe-commits]

erik.pilkington created this revision.
erik.pilkington added reviewers: rjmccall, bendjones, arphaman.
Herald added subscribers: ributzka, dexonsmith, jkorous.

This fixes a common mistake (the 3 should be @3): `NSNumber *n = 3`. This extends an existing check for NSString. Also, this only errs if the initializer isn't a null pointer constant, so `NSNumber *n = 0;` continues to work.

Fixes rdar://47029572


Repository:
  rC Clang

https://reviews.llvm.org/D78066

Files:
  clang/include/clang/Basic/DiagnosticSemaKinds.td
  clang/include/clang/Sema/Sema.h
  clang/lib/Sema/SemaExpr.cpp
  clang/lib/Sema/SemaExprObjC.cpp
  clang/lib/Sema/SemaInit.cpp
  clang/test/SemaObjC/objc-literal-fixit.m

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