65816 now generate EXPR_NEARADDR instead of EXPR_WORD0 for default assumed address mode, which will be validated by the linker's range check rather than blindly truncated. Assuming the assembler correctly validated this, the linker is allowed to truncate.

src/common/exprdefs.c

@@ -210,6 +210,10 @@ static void InternalDumpExpr (const ExprNode* Expr, const ExprNode* (*ResolveSym
             printf (" WORD1");
             break;
 
+        case EXPR_NEARADDR:
+            printf (" NEARADDR");
+            break;
+
         case EXPR_FARADDR:
             printf (" FARADDR");
             break;