Cleanup.

src/module/mod.rs

@@ -1980,7 +1980,10 @@ impl Module {
         // Save global state
         let orig_imports_len = global.num_imports();
         let orig_source = global.source.clone();
+
+        #[cfg(not(feature = "no_function"))]
         let orig_lib_len = global.lib.len();
+
         #[cfg(not(feature = "no_function"))]
         let orig_constants = std::mem::take(&mut global.constants);
 
@@ -2008,8 +2011,12 @@ impl Module {
         // Restore global state
         #[cfg(not(feature = "no_function"))]
         let constants = std::mem::replace(&mut global.constants, orig_constants);
+
         global.truncate_imports(orig_imports_len);
+
+        #[cfg(not(feature = "no_function"))]
         global.lib.truncate(orig_lib_len);
+
         global.source = orig_source;
 
         result?;