From 2716381e7b20fae2b0fb8e8e80f26d4582b345f9 Mon Sep 17 00:00:00 2001
From: Markus Triska <triska@metalevel.at>
Date: Mon, 29 May 2023 11:12:00 +0200
Subject: [PATCH] FIXED: correct dereferencing in atom_codes/2 and
 number_codes/2.

This addresses #1818.

Test case:

    run :-
	    length(Ls, L),
	    portray_clause(L),
	    maplist(=(X), Ls),
	    X = Y,
	    Y = 12,
	    atom_codes(_, Ls),
	    false.
---
 src/machine/system_calls.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/machine/system_calls.rs b/src/machine/system_calls.rs
index a871750a..5fc5d451 100644
--- a/src/machine/system_calls.rs
+++ b/src/machine/system_calls.rs
@@ -1010,6 +1010,8 @@ impl MachineState {
         let mut string = String::new();
 
         for addr in addrs {
+            let addr = self.store(self.deref(addr));
+
             match Number::try_from(addr) {
                 Ok(Number::Fixnum(n)) => {
                     match u32::try_from(n.get_num()) {
-- 
2.54.0