code object: call destructor and free bjit code

src/codegen/irgen/hooks.cpp

@@ -694,6 +694,9 @@ void BoxedCode::addVersion(void* f, ConcreteCompilerType* rtn_type, const std::v
 }
 
 bool BoxedCode::tryDeallocatingTheBJitCode() {
+    if (code_blocks.empty())
+        return true;
+
     // we can only delete the code object if we are not executing it currently
     assert(bjit_num_inside >= 0);
     if (bjit_num_inside != 0) {

src/runtime/code.cpp

@@ -107,7 +107,9 @@ void BoxedCode::dealloc(Box* b) noexcept {
     Py_XDECREF(o->name);
     Py_XDECREF(o->_doc);
 
+    o->tryDeallocatingTheBJitCode();
     o->source.reset(nullptr);
+    o->~BoxedCode();
 
     o->cls->tp_free(o);
 }