2 files changed, 10 insertions, 2 deletions
diff --git a/indra/newview/llsettingsbase.cpp b/indra/newview/llsettingsbase.cpp
index 904d0dd07c..e36c6d4a84 100644
--- a/indra/newview/llsettingsbase.cpp
+++ b/indra/newview/llsettingsbase.cpp
@@ -48,13 +48,15 @@ const F32Seconds LLSettingsBlender::DEFAULT_THRESHOLD(0.01);
 //=========================================================================
 LLSettingsBase::LLSettingsBase():
     mSettings(LLSD::emptyMap()),
-    mDirty(true)
+    mDirty(true),
+    mHashValue(0)
 {
 }
 
 LLSettingsBase::LLSettingsBase(const LLSD setting) :
     mSettings(setting),
-    mDirty(true)
+    mDirty(true),
+    mHashValue(0)
 {
 }
 
diff --git a/indra/newview/llsettingsbase.h b/indra/newview/llsettingsbase.h
index d32fcb26e8..d304b8702a 100644
--- a/indra/newview/llsettingsbase.h
+++ b/indra/newview/llsettingsbase.h
@@ -67,6 +67,11 @@ public:
     inline bool isDirty() const { return mDirty; }
     inline void setDirtyFlag(bool dirty) { mDirty = dirty; }
 
+    inline size_t getHash() const
+    {
+        return boost::hash<LLSD>{}(mSettings);
+    }
+
     inline LLUUID getId() const
     {
         return getValue(SETTING_ID).asUUID();
@@ -227,6 +232,7 @@ protected:
 
 private:
     bool    mDirty;
+    size_t  mHashValue;
 
     LLSD    combineSDMaps(const LLSD &first, const LLSD &other) const;