Remove a now out of date and out of place comment about predefined exprs from the FloatingLiteral class declaration.

llvm-svn: 90726

clang/include/clang/AST/Expr.h

@@ -686,11 +686,6 @@ public:
   SourceLocation getLocation() const { return Loc; }
   void setLocation(SourceLocation L) { Loc = L; }
 
-  // FIXME: The logic for computing the value of a predefined expr should go
-  // into a method here that takes the inner-most code decl (a block, function
-  // or objc method) that the expr lives in.  This would allow sema and codegen
-  // to be consistent for things like sizeof(__func__) etc.
-
   virtual SourceRange getSourceRange() const { return SourceRange(Loc); }
 
   static bool classof(const Stmt *T) {