[PATCH] D37042: Teach clang to tolerate the 'p = nullptr + n' idiom used by glibc

[Andy Kaylor via Phabricator via cfe-commits]

andrew.w.kaylor updated this revision to Diff 113343.
andrew.w.kaylor added a comment.

Fixed value-dependent argument in isNullPointerConstant checks.
Added check for C++ zero offset in subtraction.
Added value-dependent test cases.


https://reviews.llvm.org/D37042

Files:
  include/clang/AST/Expr.h
  include/clang/Basic/DiagnosticGroups.td
  include/clang/Basic/DiagnosticSemaKinds.td
  lib/AST/Expr.cpp
  lib/CodeGen/CGExprScalar.cpp
  lib/Sema/SemaExpr.cpp
  test/CodeGen/nullptr-arithmetic.c
  test/Sema/pointer-addition.c
  test/SemaCXX/nullptr-arithmetic.cpp

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