Interface based streams. Fix for initializing with a force unwrap inside. Allow $define to take a list. Allow $define to return error on argument type mismatch in call. Fixed broken bit operations on boolean vectors.

src/compiler/llvm_codegen_expr.c

@@ -768,6 +768,7 @@ static void llvm_emit_member_addr(GenContext *c, BEValue *value, Decl *parent, D
 				llvm_value_bitcast(c, value, found->type);
 				break;
 			case TYPE_STRUCT:
+				llvm_value_addr(c, value);
 				llvm_value_struct_gep(c, value, value, (unsigned)index);
 				break;
 			default: