We can't decrement the in_progress value for a hard-linked file until

the generator gets a chance to finish the hard links.

generator.c

@@ -1873,6 +1873,7 @@ void check_for_finished_files(int itemizing, enum logcode code, int check_redo)
 		file = flist->files[ndx - flist->ndx_start];
 		assert(file->flags & FLAG_HLINKED);
 		finish_hard_link(file, f_name(file, fbuf), ndx, NULL, itemizing, code, -1);
+		flist->in_progress--;
 	}
 #endif
 

io.c

@@ -181,7 +181,6 @@ static void got_flist_entry_status(enum festatus status, const char *buf)
 	struct file_list *flist = flist_for_ndx(ndx);
 
 	assert(flist != NULL);
-	assert(ndx >= flist->ndx_start);
 
 	if (remove_source_files) {
 		active_filecnt--;
@@ -197,8 +196,10 @@ static void got_flist_entry_status(enum festatus status, const char *buf)
 			send_msg(MSG_SUCCESS, buf, 4, 0);
 		if (preserve_hard_links) {
 			struct file_struct *file = flist->files[ndx - flist->ndx_start];
-			if (F_IS_HLINKED(file))
+			if (F_IS_HLINKED(file)) {
 				flist_ndx_push(&hlink_list, ndx);
+				flist->in_progress++;
+			}
 		}
 		break;
 	case FES_REDO: