Fix release builds

Author: bjorn3

src/abi.rs

@@ -274,7 +274,9 @@ impl<'a, 'tcx: 'a, B: Backend + 'a> FunctionCx<'a, 'tcx, B> {
             .module
             .declare_func_in_func(func_id, &mut self.bcx.func);
         let call_inst = self.bcx.ins().call(func_ref, args);
-        self.add_comment(call_inst, format!("easy_call {}", name));
+        #[cfg(debug_assertions)] {
+            self.add_comment(call_inst, format!("easy_call {}", name));
+        }
         let results = self.bcx.inst_results(call_inst);
         assert!(results.len() <= 2, "{}", results.len());
         results

src/trap.rs

@@ -7,7 +7,9 @@ fn codegen_print(fx: &mut FunctionCx<'_, '_, impl cranelift_module::Backend>, ms
         returns: vec![],
     }).unwrap();
     let puts = fx.module.declare_func_in_func(puts, &mut fx.bcx.func);
-    fx.add_entity_comment(puts, "puts");
+    #[cfg(debug_assertions)] {
+        fx.add_entity_comment(puts, "puts");
+    }
 
     let symbol_name = fx.tcx.symbol_name(fx.instance);
     let real_msg = format!("trap at {:?} ({}): {}\0", fx.instance, symbol_name, msg);
@@ -19,7 +21,9 @@ fn codegen_print(fx: &mut FunctionCx<'_, '_, impl cranelift_module::Backend>, ms
     let _ = fx.module.define_data(msg_id, &data_ctx);
 
     let local_msg_id = fx.module.declare_data_in_func(msg_id, fx.bcx.func);
-    fx.add_entity_comment(local_msg_id, msg);
+    #[cfg(debug_assertions)] {
+        fx.add_entity_comment(local_msg_id, msg);
+    }
     let msg_ptr = fx.bcx.ins().global_value(pointer_ty(fx.tcx), local_msg_id);
     fx.bcx.ins().call(puts, &[msg_ptr]);
 }