Declare CompareHistoryEvents and IsCurrentHistoryEvent as pure virtual functions
Fixes the Linux build. llvm-svn: 132967
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@ -70,10 +70,10 @@ public:
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// Return 0 when lhs == rhs, 1 if lhs > rhs, or -1 if lhs < rhs.
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virtual int
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CompareHistoryEvents (const HistoryEvent lhs,
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const HistoryEvent rhs);
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const HistoryEvent rhs) = 0;
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virtual bool
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IsCurrentHistoryEvent (const HistoryEvent event);
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IsCurrentHistoryEvent (const HistoryEvent event) = 0;
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private:
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typedef std::stack<HistoryEvent> collection;
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