1 files changed, 6 insertions, 1 deletions
diff --git a/js/src/frontend/BytecodeCompiler.cpp b/js/src/frontend/BytecodeCompiler.cpp
index 67423eb7ab..7f5b705f92 100644
--- a/js/src/frontend/BytecodeCompiler.cpp
+++ b/js/src/frontend/BytecodeCompiler.cpp
@@ -676,8 +676,13 @@ frontend::CompileLazyFunction(JSContext* cx, Handle<LazyScript*> lazy, const cha
     if (lazy->hasBeenCloned())
         script->setHasBeenCloned();
 
+    FieldInitializers fieldInitializers = FieldInitializers::Invalid();
+    if (fun->kind() == JSFunction::FunctionKind::ClassConstructor) {
+        fieldInitializers = lazy->getFieldInitializers();
+    }
+
     BytecodeEmitter bce(/* parent = */ nullptr, &parser, pn->as<FunctionNode>().funbox(), script, lazy,
-                        pn->pn_pos, BytecodeEmitter::LazyFunction);
+                        pn->pn_pos, BytecodeEmitter::LazyFunction, fieldInitializers);
     if (!bce.init())
         return false;