Fix raii_view_closer move ctor

Cherry picked

viewer/glow-extras/viewer/view.hh

@@ -151,6 +151,8 @@ struct raii_view_closer
 private:
     bool const mMustCloseSubview; ///< If false, this view is inactive and integrates into the parent view
 
+    bool isValid = true;
+
 public:
     GLOW_RAII_CLASS(raii_view_closer);
     static std::vector<bool> sStackIsContainer;
@@ -161,9 +163,15 @@ public:
         sStackIsContainer.push_back(false);
     }
 
-    raii_view_closer(raii_view_closer&& rhs) noexcept : mMustCloseSubview(rhs.mMustCloseSubview) {}
+    raii_view_closer(raii_view_closer&& rhs) noexcept : mMustCloseSubview(rhs.mMustCloseSubview)
+    {
+        rhs.isValid = false;
+    }
     ~raii_view_closer()
     {
+        if (!isValid)
+            return;
+
         TG_ASSERT(!sStackIsContainer.empty() && "corrupted subview stack");
 
         // remove self from subview stack