diff options
Diffstat (limited to 'libcxx/include/algorithm')
| -rw-r--r-- | libcxx/include/algorithm | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libcxx/include/algorithm b/libcxx/include/algorithm index ee2a54d7232..55e1f9fc113 100644 --- a/libcxx/include/algorithm +++ b/libcxx/include/algorithm @@ -2987,7 +2987,8 @@ random_shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last, for (--__last; __first < __last; ++__first, --__d) { difference_type __i = __rand(__d); - swap(*__first, *(__first + __i)); + if (__i != difference_type(0)) + swap(*__first, *(__first + __i)); } } } |
