Fix PR#30303 - no matching function for call to '__ptr_in_range'

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@280779 91177308-0d34-0410-b5e6-96231b3b80d8

include/string

@@ -2156,12 +2156,18 @@ basic_string<_CharT, _Traits, _Allocator>::append(_InputIterator __first, _Input
     return *this;
 }
 
-template <typename _Tp>
+template <class _Tp>
 bool __ptr_in_range (const _Tp* __p, const _Tp* __first, const _Tp* __last)
 {
     return __first <= __p && __p < __last;
 }
 
+template <class _Tp1, class _Tp2>
+bool __ptr_in_range (const _Tp1* __p, const _Tp2* __first, const _Tp2* __last)
+{
+    return false;
+}
+
 template <class _CharT, class _Traits, class _Allocator>
 template<class _ForwardIterator>
 typename enable_if