cleanup misc minor issues

crates/compiler/build/src/link.rs

@@ -1101,6 +1101,7 @@ fn link_macos(
             "-w",
             "-macos_version_min",
             &get_macos_version(),
+            "-ld_classic",
         ])
         .args(input_paths)
         .args(extra_link_flags());

crates/compiler/gen_dev/src/generic64/mod.rs

@@ -1082,6 +1082,8 @@ impl<
         arg_layouts: &[InLayout<'a>],
         ret_layout: &InLayout<'a>,
     ) {
+        debug_assert_eq!(args.len(), arg_layouts.len());
+
         // Save used caller saved regs.
         self.storage_manager
             .push_used_caller_saved_regs_to_stack(&mut self.buf);
@@ -5335,7 +5337,7 @@ impl<
             &dst,
             bitcode::UTILS_ALLOCATE_WITH_REFCOUNT.to_string(),
             &[data_bytes, element_alignment, element_refcounted],
-            &[Layout::U64, Layout::U32],
+            &[Layout::U64, Layout::U32, Layout::BOOL],
             &Layout::U64,
         );
     }

crates/compiler/mono/src/code_gen_help/mod.rs

@@ -53,10 +53,6 @@ impl HelperOp {
     fn is_dec(&self) -> bool {
         matches!(self, Self::Dec)
     }
-
-    fn is_inc(&self) -> bool {
-        matches!(self, Self::Inc | Self::IncN)
-    }
 }
 
 #[derive(Debug)]