[PATCH] D21352: Add a "declared 'nonnull' here" note to warnings where an expression is checked against null.

[Nick Lewycky via cfe-commits]

nlewycky created this revision.
nlewycky added a subscriber: cfe-commits.

Point to the relevant 'nonnull' or 'returns_nonnull' attribute when complaining about 'a == 0' or 'f() == 0' expressions.

http://reviews.llvm.org/D21352

Files:
  include/clang/Basic/DiagnosticSemaKinds.td
  lib/Sema/SemaChecking.cpp
  test/Sema/nonnull.c

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