Implement P0966 - string::reserve should not shrink

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@347789 91177308-0d34-0410-b5e6-96231b3b80d8
2018-11-28 18:18:34 +00:00
parent 087f065cb0
commit 7593e799d2
3 changed files with 13 additions and 4 deletions
--- a/include/string
+++ b/include/string
@@ -956,9 +956,11 @@ public:
    void resize(size_type __n, value_type __c);
    _LIBCPP_INLINE_VISIBILITY void resize(size_type __n) {resize(__n, value_type());}

+    void reserve(size_type __res_arg);
    _LIBCPP_INLINE_VISIBILITY void __resize_default_init(size_type __n);

-    void reserve(size_type __res_arg = 0);
+    _LIBCPP_INLINE_VISIBILITY
+    void reserve() _NOEXCEPT {reserve(0);}
    _LIBCPP_INLINE_VISIBILITY
    void shrink_to_fit() _NOEXCEPT {reserve();}
    _LIBCPP_INLINE_VISIBILITY