From 6d5c179eac1b82cefda03e576a974068367a5f77 Mon Sep 17 00:00:00 2001
From: Devin Bidwell <dbidwell94@biddydev.com>
Date: Sun, 14 Dec 2025 03:16:58 -0700
Subject: [PATCH] Fixed stack overflow due to improper handling of leaf
 functions

---
 Changelog.md                            | 4 ++++
 ModData/About/About.xml                 | 2 +-
 csharp_mod/Plugin.cs                    | 2 +-
 csharp_mod/stationeersSlang.csproj      | 2 +-
 rust_compiler/Cargo.lock                | 2 +-
 rust_compiler/Cargo.toml                | 2 +-
 rust_compiler/libs/optimizer/src/lib.rs | 4 +++-
 7 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/Changelog.md b/Changelog.md
index d2179ce..46dc71e 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,9 @@
 # Changelog
 
+[0.3.2]
+
+- Fixed stack overflow due to incorrect optimization of 'leaf' functions
+
 [0.3.1]
 
 - Fixed possible `KeyNotFoundException` in C# code due to invalid
diff --git a/ModData/About/About.xml b/ModData/About/About.xml
index d3a0e4f..23fe752 100644
--- a/ModData/About/About.xml
+++ b/ModData/About/About.xml
@@ -2,7 +2,7 @@
 <ModMetadata xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <Name>Slang</Name>
   <Author>JoeDiertay</Author>
-  <Version>0.3.1</Version>
+  <Version>0.3.2</Version>
   <Description>
 [h1]Slang: High-Level Programming for Stationeers[/h1]
 
diff --git a/csharp_mod/Plugin.cs b/csharp_mod/Plugin.cs
index 36123c5..339cf1b 100644
--- a/csharp_mod/Plugin.cs
+++ b/csharp_mod/Plugin.cs
@@ -41,7 +41,7 @@ namespace Slang
     {
         public const string PluginGuid = "com.biddydev.slang";
         public const string PluginName = "Slang";
-        public const string PluginVersion = "0.3.1";
+        public const string PluginVersion = "0.3.2";
 
         public static Mod MOD = new Mod(PluginName, PluginVersion);
 
diff --git a/csharp_mod/stationeersSlang.csproj b/csharp_mod/stationeersSlang.csproj
index 57a61e0..3e4c048 100644
--- a/csharp_mod/stationeersSlang.csproj
+++ b/csharp_mod/stationeersSlang.csproj
@@ -5,7 +5,7 @@
     <Nullable>enable</Nullable>
     <AssemblyName>StationeersSlang</AssemblyName>
     <Description>Slang Compiler Bridge</Description>
-    <Version>0.3.1</Version>
+    <Version>0.3.2</Version>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <LangVersion>latest</LangVersion>
   </PropertyGroup>
diff --git a/rust_compiler/Cargo.lock b/rust_compiler/Cargo.lock
index 17bf0df..511d7ef 100644
--- a/rust_compiler/Cargo.lock
+++ b/rust_compiler/Cargo.lock
@@ -930,7 +930,7 @@ checksum = "e3a9fe34e3e7a50316060351f37187a3f546bce95496156754b601a5fa71b76e"
 
 [[package]]
 name = "slang"
-version = "0.3.1"
+version = "0.3.2"
 dependencies = [
  "anyhow",
  "clap",
diff --git a/rust_compiler/Cargo.toml b/rust_compiler/Cargo.toml
index 5b2305a..260e0c0 100644
--- a/rust_compiler/Cargo.toml
+++ b/rust_compiler/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "slang"
-version = "0.3.1"
+version = "0.3.2"
 edition = "2021"
 
 [workspace]
diff --git a/rust_compiler/libs/optimizer/src/lib.rs b/rust_compiler/libs/optimizer/src/lib.rs
index ffd97e1..ea75c06 100644
--- a/rust_compiler/libs/optimizer/src/lib.rs
+++ b/rust_compiler/libs/optimizer/src/lib.rs
@@ -174,7 +174,9 @@ fn optimize_leaf_functions<'a>(
             continue; // SKIP (Remove)
         }
 
-        if let Instruction::LabelDef(l) = &node.instruction {
+        if let Instruction::LabelDef(l) = &node.instruction
+            && !l.starts_with("__internal_L")
+        {
             processing_function = Some(l.to_string());
         }