diff --git a/Cargo.toml b/Cargo.toml
index 586ff2c..1738066 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,6 @@ inherits = "release"
 
 [profile.release]
 lto = true
-codegen-units = 1
 strip = true
 
 [dependencies]
diff --git a/src/jit/helpers.rs b/src/jit/helpers.rs
index 609bc2f..15ac1a7 100644
--- a/src/jit/helpers.rs
+++ b/src/jit/helpers.rs
@@ -226,7 +226,7 @@ extern "C" fn helper_neg(rhs: JITValue, _env: *const VmEnv) -> JITValue {
                 float: -unsafe { rhs.data.float },
             },
         },
-        _ => unreachable!(),
+        _ => todo!(),
     }
 }
 
@@ -239,7 +239,7 @@ extern "C" fn helper_not(rhs: JITValue, _env: *const VmEnv) -> JITValue {
                 bool: !unsafe { rhs.data.bool },
             },
         },
-        _ => unreachable!(),
+        _ => todo!(),
     }
 }