From e09f62031156dbe792d98a161eaf7267095e94a5 Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Thu, 28 Apr 2016 05:04:34 -0400
Subject: [PATCH] Wrote (did not enable) an alternative wxFileNameWrapper::swap

---
 src/wxFileNameWrapper.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/wxFileNameWrapper.h b/src/wxFileNameWrapper.h
index e39815bfc..ddccfefc0 100644
--- a/src/wxFileNameWrapper.h
+++ b/src/wxFileNameWrapper.h
@@ -28,6 +28,8 @@ public:
    void swap(wxFileNameWrapper &that)
    {
       if (this != &that) {
+#if 1
+         // Awful hack number 1 makes gcc 5 choke
          enum : size_t { Size = sizeof(*this) };
          // Do it bitwise.
          // std::aligned_storage<Size>::type buffer;
@@ -35,6 +37,31 @@ public:
          memcpy(&buffer, this, Size);
          memcpy(this, &that, Size);
          memcpy(&that, &buffer, Size);
+#else
+         // Awful hack number 2 relies on knowing the class layout
+         struct Contents
+         {
+            void swap(Contents &that) {
+               m_volume.swap(that.m_volume);
+               m_dirs.swap(that.m_dirs);
+               m_name.swap(that.m_name);
+               m_ext.swap(that.m_ext);
+               std::swap(m_relative, that.m_relative);
+               std::swap(m_hasExt, that.m_hasExt);
+               std::swap(m_dontFollowLinks, that.m_dontFollowLinks);
+            };
+
+            wxString        m_volume;
+            wxArrayString   m_dirs;
+            wxString        m_name, m_ext;
+            bool            m_relative;
+            bool            m_hasExt;
+            bool            m_dontFollowLinks;
+         };
+
+         reinterpret_cast<Contents*>(this)->swap
+            (*reinterpret_cast<Contents*>(&that));
+#endif
       }
    }