size of anonymous struct for alignment purposes
offset of anonymous struct
size of anonymous struct
whether it's a union
1 if successful semantic()
Dsymbol's affected by this AttribDeclaration
Create a new scope if one or more given attributes are different from the sc's. If the returned scope != sc, the caller should pop the scope after it used.
A hook point to supply scope for members. addMember, setScope, importAll, semantic, semantic2 and semantic3 will use this.
An anonymous struct/union (defined by isunion).