redundant and the semantic storage class has been removed. The method
getStorageClass now returns what is written it the source code for that decl.
+Wide Character Types
+^^^^^^^^^^^^^^^^^^^^
+
+The ASTContext class now keeps track of two different types for wide character
+types: WCharTy and WideCharTy. WCharTy represents the built-in wchar_t type
+available in C++. WideCharTy is the type used for wide character literals; in
+C++ it is the same as WCharTy, but in C99, where wchar_t is a typedef, it is an
+integer type.
+
...
libclang