[APFloat] Remove orphan ilogb(DoubleAPFloat) declaration. NFCI.

diff --git a/llvm/include/llvm/ADT/APFloat.h b/llvm/include/llvm/ADT/APFloat.h
index 70a6cc4..8aafd52 100644 (file)
--- a/llvm/include/llvm/ADT/APFloat.h
+++ b/llvm/include/llvm/ADT/APFloat.h
@@ -687,7 +687,6 @@ public:
 
   bool getExactInverse(APFloat *inv) const;
 
-  friend int ilogb(const DoubleAPFloat &Arg);
   friend DoubleAPFloat scalbn(const DoubleAPFloat &X, int Exp, roundingMode);
   friend DoubleAPFloat frexp(const DoubleAPFloat &X, int &Exp, roundingMode);
   friend hash_code hash_value(const DoubleAPFloat &Arg);