From 8efcec194931ebe90118ffd87ba8198e351307e3 Mon Sep 17 00:00:00 2001
From: Tomasz Grabiec <tgrabiec@cloudius-systems.com>
Date: Tue, 16 Jun 2015 19:28:23 +0200
Subject: [PATCH] core: enable_lw_shared_from_this: Add missing move and copy
 constructors

Signed-off-by: Avi Kivity <avi@cloudius-systems.com>
---
 core/shared_ptr.hh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/core/shared_ptr.hh b/core/shared_ptr.hh
index 95715a872a..b474325b90 100644
--- a/core/shared_ptr.hh
+++ b/core/shared_ptr.hh
@@ -115,8 +115,11 @@ class enable_lw_shared_from_this {
     T* to_value() { return static_cast<T*>(this); }
     T* to_internal_object() { return static_cast<T*>(this); }
 protected:
-    enable_lw_shared_from_this& operator=(const enable_lw_shared_from_this&) { return *this; }
-    enable_lw_shared_from_this& operator=(enable_lw_shared_from_this&&) { return *this; }
+    enable_lw_shared_from_this() noexcept {}
+    enable_lw_shared_from_this(enable_lw_shared_from_this&&) noexcept {}
+    enable_lw_shared_from_this(const enable_lw_shared_from_this&) noexcept {}
+    enable_lw_shared_from_this& operator=(const enable_lw_shared_from_this&) noexcept { return *this; }
+    enable_lw_shared_from_this& operator=(enable_lw_shared_from_this&&) noexcept { return *this; }
 public:
     lw_shared_ptr<T> shared_from_this();
     lw_shared_ptr<const T> shared_from_this() const;