Remove a field that was never used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42911 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/APFloat.cpp b/lib/Support/APFloat.cpp
index f2f6953..d9f1445 100644
--- a/lib/Support/APFloat.cpp
+++ b/lib/Support/APFloat.cpp
@@ -40,21 +40,18 @@
     /* Number of bits in the significand.  This includes the integer
        bit.  */
     unsigned int precision;
-
-    /* If the target format has an implicit integer bit.  */
-    bool implicitIntegerBit;
   };
 
-  const fltSemantics APFloat::IEEEsingle = { 127, -126, 24, true };
-  const fltSemantics APFloat::IEEEdouble = { 1023, -1022, 53, true };
-  const fltSemantics APFloat::IEEEquad = { 16383, -16382, 113, true };
-  const fltSemantics APFloat::x87DoubleExtended = { 16383, -16382, 64, false };
-  const fltSemantics APFloat::Bogus = { 0, 0, 0, false };
+  const fltSemantics APFloat::IEEEsingle = { 127, -126, 24 };
+  const fltSemantics APFloat::IEEEdouble = { 1023, -1022, 53 };
+  const fltSemantics APFloat::IEEEquad = { 16383, -16382, 113 };
+  const fltSemantics APFloat::x87DoubleExtended = { 16383, -16382, 64 };
+  const fltSemantics APFloat::Bogus = { 0, 0, 0 };
 
   // The PowerPC format consists of two doubles.  It does not map cleanly
   // onto the usual format above.  For now only storage of constants of
   // this type is supported, no arithmetic.
-  const fltSemantics APFloat::PPCDoubleDouble = { 1023, -1022, 106, true };
+  const fltSemantics APFloat::PPCDoubleDouble = { 1023, -1022, 106 };
 }
 
 /* Put a bunch of private, handy routines in an anonymous namespace.  */