diff --git a/src/hotspot/share/code/nmethod.hpp b/src/hotspot/share/code/nmethod.hpp
index d5b0194..73716a0 100644
--- a/src/hotspot/share/code/nmethod.hpp
+++ b/src/hotspot/share/code/nmethod.hpp
@@ -257,6 +257,14 @@ class nmethod : public CompiledMethod {
 #endif
   );
 
+  // Only used for unit tests.
+  nmethod()
+    : CompiledMethod(),
+      _is_unloading_state(0),
+      _native_receiver_sp_offset(in_ByteSize(-1)),
+      _native_basic_lock_sp_offset(in_ByteSize(-1)) {}
+
+
   static nmethod* new_native_nmethod(const methodHandle& method,
                                      int compile_id,
                                      CodeBuffer *code_buffer,