------- Comment #10 from rguenth at gcc dot gnu dot org 2010-07-06 13:02 ------- Reduced testcase:
typedef unsigned short PRUint16; typedef PRUint16 PRUnichar; template <class CharT> struct nsCharTraits { }; class nsAString_internal { public: typedef PRUnichar char_type; }; class nsString : public nsAString_internal { public: typedef nsString self_type; nsString( const self_type& str ); }; class nsDependentString : public nsString { public: explicit nsDependentString( const char_type* data ); }; typedef struct sqlite3_stmt sqlite3_stmt; const void *sqlite3_column_text16(sqlite3_stmt*, int iCol); class nsIVariant { }; template <typename DataType> struct variant_storage_traits { typedef DataType ConstructorType; typedef DataType StorageType; static inline StorageType storage_conversion(ConstructorType aData) { return aData; } }; template <typename DataType> class Variant : public nsIVariant { public: Variant(typename variant_storage_traits<DataType>::ConstructorType aData) : mData(variant_storage_traits<DataType>::storage_conversion(aData)) {} typename variant_storage_traits<DataType>::StorageType mData; }; typedef Variant<nsString> TextVariant; class Row { void initialize(sqlite3_stmt *aStatement); }; void Row::initialize(sqlite3_stmt *aStatement) { nsDependentString str(static_cast<const PRUnichar *>(::sqlite3_column_text16(aStatement, 0))); new TextVariant(str); } -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44826