lib/AST/ASTImporter.cpp

2166     QualType ToType = Importer.Import(From.getAsType());
2167     if (ToType.isNull())
2169     return TemplateArgument(ToType);
2173     QualType ToType = Importer.Import(From.getIntegralType());
2174     if (ToType.isNull())
2176     return TemplateArgument(From, ToType);
2181     QualType ToType = Importer.Import(From.getParamTypeForDecl());
2182     if (!To || ToType.isNull())
2184     return TemplateArgument(To, ToType);
2188     QualType ToType = Importer.Import(From.getNullPtrType());
2189     if (ToType.isNull())
2191     return TemplateArgument(ToType, /*isNullPtr*/true);