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-rw-r--r--include/llvm/Support/CommandLine.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/Support/CommandLine.h b/include/llvm/Support/CommandLine.h
index c0bfbae..4efb6a6 100644
--- a/include/llvm/Support/CommandLine.h
+++ b/include/llvm/Support/CommandLine.h
@@ -350,6 +350,9 @@ struct cat {
struct GenericOptionValue {
virtual ~GenericOptionValue() {}
virtual bool compare(const GenericOptionValue &V) const = 0;
+
+private:
+ virtual void anchor();
};
template<class DataType> struct OptionValue;
@@ -1752,6 +1755,7 @@ void getRegisteredOptions(StringMap<Option*> &Map);
/// \brief Saves strings in the inheritor's stable storage and returns a stable
/// raw character pointer.
class StringSaver {
+ virtual void anchor();
public:
virtual const char *SaveString(const char *Str) = 0;
virtual ~StringSaver() {}; // Pacify -Wnon-virtual-dtor.