Index: include/istream
===================================================================
--- include/istream
+++ include/istream
@@ -711,6 +711,7 @@
             ios_base::iostate __err = ios_base::goodbit;
             long __temp;
             use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __temp);
+#if __SIZEOF_INT__ != __SIZEOF_LONG__
             if (__temp < numeric_limits<int>::min())
             {
                 __err |= ios_base::failbit;
@@ -723,6 +724,9 @@
             }
             else
                 __n = static_cast<int>(__temp);
+#else
+            __n = static_cast<int>(__temp);
+#endif
             this->setstate(__err);
         }
 #ifndef _LIBCPP_NO_EXCEPTIONS
Index: src/string.cpp
===================================================================
--- src/string.cpp
+++ src/string.cpp
@@ -88,8 +88,10 @@
 {
     // Use long as no Standard string to integer exists.
     long r = as_integer_helper<long>( func, s, idx, base, strtol );
+#if __SIZEOF_INT__ != __SIZEOF_LONG__
     if (r < numeric_limits<int>::min() || numeric_limits<int>::max() < r)
         throw_from_string_out_of_range(func);
+#endif
     return static_cast<int>(r);
 }
 
@@ -133,8 +135,10 @@
 {
     // Use long as no Stantard string to integer exists.
     long r = as_integer_helper<long>( func, s, idx, base, wcstol );
+#if __SIZEOF_INT__ != __SIZEOF_LONG__
     if (r < numeric_limits<int>::min() || numeric_limits<int>::max() < r)
         throw_from_string_out_of_range(func);
+#endif
     return static_cast<int>(r);
 }