1 files changed, 3 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/bytecode/ValueRecovery.h b/Source/JavaScriptCore/bytecode/ValueRecovery.h
index ebca661d0..1be5201ea 100644
--- a/Source/JavaScriptCore/bytecode/ValueRecovery.h
+++ b/Source/JavaScriptCore/bytecode/ValueRecovery.h
@@ -76,6 +76,9 @@ public:
     {
     }
     
+    bool isSet() const { return m_technique != DontKnow; }
+    bool operator!() const { return !isSet(); }
+    
     static ValueRecovery alreadyInRegisterFile()
     {
         ValueRecovery result;