[PATCH] Implement CWG496: Is a volatile-qualified type really a POD?

[Agustín Bergé]

Hi rsmith,

Implement CWG496, volatile qualified types are not trivially copyable, special copy/move member functions are not trivial for classes with volatile qualified non-static data members. Fixes PR21070. Breaks CodeGenCXX/no-opt-volatile-memcpy.cpp, which specifically tests assignment for a struct with a volatile member resulting in memcpy.

http://reviews.llvm.org/D7060

Files:
  include/clang/Basic/DiagnosticSemaKinds.td
  lib/AST/DeclCXX.cpp
  lib/AST/Type.cpp
  lib/Sema/SemaDeclCXX.cpp
  test/CXX/drs/dr4xx.cpp
  test/SemaCXX/type-traits.cpp

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