Let TargetABI::passByValue() know when a parameter is byref (either explicitly or because it's a static array) by giving it the pointer type instead of the type itself. This fixes Derelict compilation on x86-64, where the ABI wasn't expecting a static array to be passed in at all.

#ifndef LDC_GEN_AA_H
#define LDC_GEN_AA_H

DValue* DtoAAIndex(Loc& loc, Type* type, DValue* aa, DValue* key, bool lvalue);
DValue* DtoAAIn(Loc& loc, Type* type, DValue* aa, DValue* key);
void DtoAARemove(Loc& loc, DValue* aa, DValue* key);

#endif // LDC_GEN_AA_H