From 002d74641871abfa45bf7c1d835699d31352fc8d Mon Sep 17 00:00:00 2001
From: Daniel Colson <danieljamescolson@gmail.com>
Date: Sat, 5 Jul 2025 20:01:47 -0400
Subject: [PATCH] ZJIT: Avoid double negative in Mem debug

Prior to this commit the debug output for negative offsets would look
like:

```
Mem64[Reg(3) - -8
```

That makes it look like we're adding instead of subtracting. After this
commit we'll print:

```
Mem64[Reg(3) - 8
```
---
 zjit/src/backend/lir.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zjit/src/backend/lir.rs b/zjit/src/backend/lir.rs
index f914870c84..27163dcb4e 100644
--- a/zjit/src/backend/lir.rs
+++ b/zjit/src/backend/lir.rs
@@ -45,7 +45,7 @@ impl fmt::Debug for Mem {
         write!(fmt, "Mem{}[{:?}", self.num_bits, self.base)?;
         if self.disp != 0 {
             let sign = if self.disp > 0 { '+' } else { '-' };
-            write!(fmt, " {sign} {}", self.disp)?;
+            write!(fmt, " {sign} {}", self.disp.abs())?;
         }
 
         write!(fmt, "]")