Quash a whole bunch of warnings git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@145624 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/string b/include/string index 344bb55..575b9e1 100644 --- a/include/string +++ b/include/string 
@@ -1079,7 +1079,7 @@  enum {__long_mask = ~(size_type(~0) >> 1)};  #else // _LIBCPP_BIG_ENDIAN  enum {__short_mask = 0x01}; - enum {__long_mask = 0x1}; + enum {__long_mask = 0x1ul};  #endif // _LIBCPP_BIG_ENDIAN    enum {__mask = size_type(~0) >> 1}; @@ -1501,7 +1501,7 @@  {__r_.first().__l.__cap_ = __long_mask | __s;}  _LIBCPP_INLINE_VISIBILITY  size_type __get_long_cap() const _NOEXCEPT - {return __r_.first().__l.__cap_ & ~__long_mask;} + {return __r_.first().__l.__cap_ & size_type(~__long_mask);}    _LIBCPP_INLINE_VISIBILITY  void __set_long_pointer(pointer __p) _NOEXCEPT @@ -1591,7 +1591,7 @@  }    _LIBCPP_INLINE_VISIBILITY - void __copy_assign_alloc(const basic_string& __str, false_type) _NOEXCEPT + void __copy_assign_alloc(const basic_string&, false_type) _NOEXCEPT  {}    #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES @@ -1619,7 +1619,7 @@  }    _LIBCPP_INLINE_VISIBILITY - void __move_assign_alloc(basic_string& __c, false_type) + void __move_assign_alloc(basic_string&, false_type)  _NOEXCEPT  {}   @@ -1638,7 +1638,7 @@  swap(__x, __y);  }  _LIBCPP_INLINE_VISIBILITY - static void __swap_alloc(allocator_type& __x, allocator_type& __y, false_type) _NOEXCEPT + static void __swap_alloc(allocator_type&, allocator_type&, false_type) _NOEXCEPT  {}    _LIBCPP_INLINE_VISIBILITY void __invalidate_all_iterators(); @@ -1669,7 +1669,11 @@  _LIBCPP_INLINE_VISIBILITY inline  #endif  void -basic_string<_CharT, _Traits, _Allocator>::__invalidate_iterators_past(size_type __pos) +basic_string<_CharT, _Traits, _Allocator>::__invalidate_iterators_past(size_type +#ifdef _LIBCPP_DEBUG + __pos +#endif + )  {  #ifdef _LIBCPP_DEBUG  const_iterator __beg = begin(); @@ -2785,7 +2789,7 @@  iterator __b = begin();  size_type __r = static_cast<size_type>(__pos - __b);  erase(__r, 1); - return __b + __r; + return __b + static_cast<difference_type>(__r);  }    template <class _CharT, class _Traits, class _Allocator> @@ -2796,7 +2800,7 @@  iterator __b = begin();  size_type __r = static_cast<size_type>(__first - __b);  erase(__r, static_cast<size_type>(__last - __first)); - return __b + __r; + return __b + static_cast<difference_type>(__r);  }    template <class _CharT, class _Traits, class _Allocator> @@ -3483,7 +3487,7 @@    template <class _CharT, class _Traits, class _Allocator>  int -basic_string<_CharT, _Traits, _Allocator>::compare(const_pointer __s) const +basic_string<_CharT, _Traits, _Allocator>::compare(const_pointer __s) const _NOEXCEPT  {  #ifdef _LIBCPP_DEBUG  assert(__s != 0);