context: Clear all vectors of JS::Heap on dispose

Otherwise we might still have some `JS::Heap`s lingering after
`JS_DestroyContext`, which will fail to destruct (crash) when their
destructors are called later in `~GjsContextPrivate()`.

Fixes: https://gitlab.gnome.org/GNOME/gjs/-/issues/472

1 files changed, 3 insertions, 0 deletions

diff --git a/gjs/context.cpp b/gjs/context.cpp
index 59ac8afd..6c66f1ac 100644
--- a/gjs/context.cpp
+++ b/gjs/context.cpp
@@ -471,6 +471,9 @@ void GjsContextPrivate::dispose(void) {
         delete m_gtype_table;
         delete m_atoms;
 
+        m_job_queue.clear();
+        m_object_init_list.clear();
+
         /* Tear down JS */
         JS_DestroyContext(m_cx);
         m_cx = nullptr;