SmallPtrSet: Make destructor available for inlining

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@259019 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Support/SmallPtrSet.cpp

@@ -296,8 +296,3 @@ void SmallPtrSetImplBase::swap(SmallPtrSetImplBase &RHS) {
                    RHS.SmallArray);
   std::swap(this->NumElements, RHS.NumElements);
 }
-
-SmallPtrSetImplBase::~SmallPtrSetImplBase() {
-  if (!isSmall())
-    free(CurArray);
-}