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Update comment for ObjCImplementationDecl's handling of instance variables. 

No functionality change.

llvm-svn: 208099
This commit is contained in:
Jordan Rose 2014-05-06 16:07:54 +00:00
parent c16b7040e3
commit b5d2dc2e89
1 changed files with 7 additions and 4 deletions
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11
clang/include/clang/AST/DeclObjC.h
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@ -1976,11 +1976,14 @@ raw_ostream &operator<<(raw_ostream &OS, const ObjCCategoryImplDecl &CID);
/// \@end
/// @endcode
///
/// Typically, instance variables are specified in the class interface,
/// *not* in the implementation. Nevertheless (for legacy reasons), we
/// allow instance variables to be specified in the implementation. When
/// specified, they need to be *identical* to the interface.
/// In a non-fragile runtime, instance variables can appear in the class
/// interface, class extensions (nameless categories), and in the implementation
/// itself, as well as being synthesized as backing storage for properties.
///
/// In a fragile runtime, instance variables are specified in the class
/// interface, \em not in the implementation. Nevertheless (for legacy reasons),
/// we allow instance variables to be specified in the implementation. When
/// specified, they need to be \em identical to the interface.
class ObjCImplementationDecl : public ObjCImplDecl {
void anchor() override;
/// Implementation Class's super class.