diff --git a/libcxx/include/__string/extern_template_lists.h b/libcxx/include/__string/extern_template_lists.h
--- a/libcxx/include/__string/extern_template_lists.h
+++ b/libcxx/include/__string/extern_template_lists.h
@@ -55,6 +55,7 @@
   _Func(_LIBCPP_FUNC_VIS basic_string<_CharType>& basic_string<_CharType>::insert(size_type, value_type const*)) \
   _Func(_LIBCPP_FUNC_VIS basic_string<_CharType>::size_type basic_string<_CharType>::find_last_of(value_type const*, size_type, size_type) const) \
   _Func(_LIBCPP_FUNC_VIS void basic_string<_CharType>::__grow_by(size_type, size_type, size_type, size_type, size_type, size_type)) \
+  _Func(_LIBCPP_FUNC_VIS void basic_string<_CharType>::__grow_by_without_replace(size_type, size_type, size_type, size_type, size_type, size_type)) \
   _Func(_LIBCPP_FUNC_VIS void basic_string<_CharType>::__grow_by_and_replace(size_type, size_type, size_type, size_type, size_type, size_type, value_type const*)) \
   _Func(_LIBCPP_FUNC_VIS void basic_string<_CharType>::push_back(value_type)) \
   _Func(_LIBCPP_FUNC_VIS basic_string<_CharType>& basic_string<_CharType>::append(size_type, value_type)) \
@@ -105,6 +106,7 @@
   _Func(_LIBCPP_FUNC_VIS basic_string<_CharType>& basic_string<_CharType>::insert(size_type, value_type const*)) \
   _Func(_LIBCPP_FUNC_VIS basic_string<_CharType>::size_type basic_string<_CharType>::find_last_of(value_type const*, size_type, size_type) const) \
   _Func(_LIBCPP_FUNC_VIS void basic_string<_CharType>::__grow_by(size_type, size_type, size_type, size_type, size_type, size_type)) \
+  _Func(_LIBCPP_FUNC_VIS void basic_string<_CharType>::__grow_by_without_replace(size_type, size_type, size_type, size_type, size_type, size_type)) \
   _Func(_LIBCPP_FUNC_VIS void basic_string<_CharType>::__grow_by_and_replace(size_type, size_type, size_type, size_type, size_type, size_type, value_type const*)) \
   _Func(_LIBCPP_FUNC_VIS basic_string<_CharType>& basic_string<_CharType>::__assign_no_alias<false>(value_type const*, size_type)) \
   _Func(_LIBCPP_FUNC_VIS basic_string<_CharType>& basic_string<_CharType>::__assign_no_alias<true>(value_type const*, size_type)) \
diff --git a/libcxx/include/string b/libcxx/include/string
--- a/libcxx/include/string
+++ b/libcxx/include/string
@@ -1714,7 +1714,7 @@
         }
         else
         {
-            __grow_by(__cap, __sz + __n - __cap, __sz, __ip, 0, __n);
+            __grow_by_without_replace(__cap, __sz + __n - __cap, __sz, __ip, 0, __n);
             __p = std::__to_address(__get_long_pointer());
         }
         __sz += __n;
@@ -1832,6 +1832,9 @@
     void __grow_by(size_type __old_cap, size_type __delta_cap, size_type __old_sz,
                    size_type __n_copy,  size_type __n_del,     size_type __n_add = 0);
     _LIBCPP_CONSTEXPR_SINCE_CXX20
+    void __grow_by_without_replace(size_type __old_cap, size_type __delta_cap, size_type __old_sz,
+                   size_type __n_copy,  size_type __n_del,     size_type __n_add = 0);
+    _LIBCPP_CONSTEXPR_SINCE_CXX20
     void __grow_by_and_replace(size_type __old_cap, size_type __delta_cap, size_type __old_sz,
                                size_type __n_copy,  size_type __n_del,
                                size_type __n_add, const value_type* __p_new_stuff);
@@ -2288,6 +2291,16 @@
     __set_long_cap(__allocation.count);
 }
 
+template <class _CharT, class _Traits, class _Allocator>
+void
+    _LIBCPP_CONSTEXPR_SINCE_CXX20
+    basic_string<_CharT, _Traits, _Allocator>::__grow_by_without_replace(size_type __old_cap, size_type __delta_cap, size_type __old_sz,
+                                                         size_type __n_copy,  size_type __n_del,     size_type __n_add)
+{
+    __grow_by<_CharT, _Traits, _Allocator>(__old_cap, __delta_cap, __old_sz, __n_copy, __n_del, __n_add);
+    __set_long_size(__old_sz - __n_del + __n_add);
+}
+
 // assign
 
 template <class _CharT, class _Traits, class _Allocator>
@@ -2347,7 +2360,7 @@
     if (__cap < __n)
     {
         size_type __sz = size();
-        __grow_by(__cap, __n - __cap, __sz, 0, __sz);
+        __grow_by_without_replace(__cap, __n - __cap, __sz, 0, __sz);
     }
     value_type* __p = std::__to_address(__get_pointer());
     traits_type::assign(__p, __n, __c);
@@ -2467,7 +2480,7 @@
         if (__cap < __n)
         {
             size_type __sz = size();
-            __grow_by(__cap, __n - __cap, __sz, 0, __sz);
+            __grow_by_without_replace(__cap, __n - __cap, __sz, 0, __sz);
         }
         pointer __p = __get_pointer();
         for (; __first != __last; ++__p, (void) ++__first)
@@ -2564,7 +2577,7 @@
         size_type __cap = capacity();
         size_type __sz = size();
         if (__cap - __sz < __n)
-            __grow_by(__cap, __sz + __n - __cap, __sz, __sz, 0);
+            __grow_by_without_replace(__cap, __sz + __n - __cap, __sz, __sz, 0);
         pointer __p = __get_pointer();
         traits_type::assign(std::__to_address(__p) + __sz, __n, __c);
         __sz += __n;
@@ -2583,7 +2596,7 @@
         size_type __cap = capacity();
         size_type __sz = size();
         if (__cap - __sz < __n)
-            __grow_by(__cap, __sz + __n - __cap, __sz, __sz, 0);
+            __grow_by_without_replace(__cap, __sz + __n - __cap, __sz, __sz, 0);
         pointer __p = __get_pointer();
         __sz += __n;
         __set_size(__sz);
@@ -2611,7 +2624,7 @@
     }
     if (__sz == __cap)
     {
-        __grow_by(__cap, 1, __sz, __sz, 0);
+        __grow_by_without_replace(__cap, 1, __sz, __sz, 0);
         __is_short = false; // the string is always long after __grow_by
     }
     pointer __p = __get_pointer();
@@ -2644,7 +2657,7 @@
             !__addr_in_range(*__first))
         {
             if (__cap - __sz < __n)
-                __grow_by(__cap, __sz + __n - __cap, __sz, __sz, 0);
+              __grow_by_without_replace(__cap, __sz + __n - __cap, __sz, __sz, 0);
             pointer __p = __get_pointer() + __sz;
             for (; __first != __last; ++__p, (void) ++__first)
                 traits_type::assign(*__p, *__first);
@@ -2757,7 +2770,7 @@
         }
         else
         {
-            __grow_by(__cap, __sz + __n - __cap, __sz, __pos, 0, __n);
+            __grow_by_without_replace(__cap, __sz + __n - __cap, __sz, __pos, 0, __n);
             __p = std::__to_address(__get_long_pointer());
         }
         traits_type::assign(__p + __pos, __n, __c);
@@ -2854,7 +2867,7 @@
     value_type* __p;
     if (__cap == __sz)
     {
-        __grow_by(__cap, 1, __sz, __ip, 0, 1);
+        __grow_by_without_replace(__cap, 1, __sz, __ip, 0, 1);
         __p = std::__to_address(__get_long_pointer());
     }
     else
@@ -2949,7 +2962,7 @@
     }
     else
     {
-        __grow_by(__cap, __sz - __n1 + __n2 - __cap, __sz, __pos, __n1, __n2);
+        __grow_by_without_replace(__cap, __sz - __n1 + __n2 - __cap, __sz, __pos, __n1, __n2);
         __p = std::__to_address(__get_long_pointer());
     }
     traits_type::assign(__p + __pos, __n2, __c);
diff --git a/libcxx/lib/abi/arm64-apple-darwin.libcxxabi.v1.stable.exceptions.nonew.abilist b/libcxx/lib/abi/arm64-apple-darwin.libcxxabi.v1.stable.exceptions.nonew.abilist
--- a/libcxx/lib/abi/arm64-apple-darwin.libcxxabi.v1.stable.exceptions.nonew.abilist
+++ b/libcxx/lib/abi/arm64-apple-darwin.libcxxabi.v1.stable.exceptions.nonew.abilist
@@ -959,6 +959,7 @@
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7replaceEmmmc', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7reserveEm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_byEmmmmmm', 'type': 'FUNC'}
+{'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_by_without_replaceEmmmmmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9push_backEc', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_RKS4_', 'type': 'FUNC'}
@@ -997,6 +998,7 @@
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7replaceEmmmw', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7reserveEm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_byEmmmmmm', 'type': 'FUNC'}
+{'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_by_without_replaceEmmmmmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9push_backEw', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_RKS4_', 'type': 'FUNC'}
diff --git a/libcxx/lib/abi/powerpc-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist b/libcxx/lib/abi/powerpc-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
--- a/libcxx/lib/abi/powerpc-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
+++ b/libcxx/lib/abi/powerpc-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
@@ -1374,6 +1374,7 @@
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7replaceEmmmc', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7reserveEm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_byEmmmmmm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_by_without_replaceEmmmmmm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9push_backEc', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_RKS4_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -1412,6 +1413,7 @@
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7replaceEmmmw', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7reserveEm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_byEmmmmmm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_by_without_replaceEmmmmmm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9push_backEw', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_RKS4_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
diff --git a/libcxx/lib/abi/powerpc64-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist b/libcxx/lib/abi/powerpc64-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
--- a/libcxx/lib/abi/powerpc64-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
+++ b/libcxx/lib/abi/powerpc64-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
@@ -1374,6 +1374,7 @@
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7replaceEmmmc', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7reserveEm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_byEmmmmmm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_by_without_replaceEmmmmmm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9push_backEc', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_RKS4_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -1412,6 +1413,7 @@
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7replaceEmmmw', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7reserveEm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_byEmmmmmm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_by_without_replaceEmmmmmm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9push_backEw', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_RKS4_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
diff --git a/libcxx/lib/abi/x86_64-apple-darwin.libcxxabi.v1.stable.exceptions.nonew.abilist b/libcxx/lib/abi/x86_64-apple-darwin.libcxxabi.v1.stable.exceptions.nonew.abilist
--- a/libcxx/lib/abi/x86_64-apple-darwin.libcxxabi.v1.stable.exceptions.nonew.abilist
+++ b/libcxx/lib/abi/x86_64-apple-darwin.libcxxabi.v1.stable.exceptions.nonew.abilist
@@ -959,6 +959,7 @@
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7replaceEmmmc', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7reserveEm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_byEmmmmmm', 'type': 'FUNC'}
+{'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_by_without_replaceEmmmmmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9push_backEc', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_RKS4_', 'type': 'FUNC'}
@@ -997,6 +998,7 @@
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7replaceEmmmw', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7reserveEm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_byEmmmmmm', 'type': 'FUNC'}
+{'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_by_without_replaceEmmmmmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9push_backEw', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_RKS4_', 'type': 'FUNC'}
diff --git a/libcxx/lib/abi/x86_64-unknown-freebsd.libcxxabi.v1.stable.exceptions.nonew.abilist b/libcxx/lib/abi/x86_64-unknown-freebsd.libcxxabi.v1.stable.exceptions.nonew.abilist
--- a/libcxx/lib/abi/x86_64-unknown-freebsd.libcxxabi.v1.stable.exceptions.nonew.abilist
+++ b/libcxx/lib/abi/x86_64-unknown-freebsd.libcxxabi.v1.stable.exceptions.nonew.abilist
@@ -654,6 +654,7 @@
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7replaceEmmmc', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7reserveEm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_byEmmmmmm', 'type': 'FUNC'}
+{'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_by_without_replaceEmmmmmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9push_backEc', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_RKS4_', 'type': 'FUNC'}
@@ -692,6 +693,7 @@
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7replaceEmmmw', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7reserveEm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_byEmmmmmm', 'type': 'FUNC'}
+{'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_by_without_replaceEmmmmmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9push_backEw', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_RKS4_', 'type': 'FUNC'}
diff --git a/libcxx/lib/abi/x86_64-unknown-linux-gnu.libcxxabi.v1.stable.exceptions.nonew.abilist b/libcxx/lib/abi/x86_64-unknown-linux-gnu.libcxxabi.v1.stable.exceptions.nonew.abilist
--- a/libcxx/lib/abi/x86_64-unknown-linux-gnu.libcxxabi.v1.stable.exceptions.nonew.abilist
+++ b/libcxx/lib/abi/x86_64-unknown-linux-gnu.libcxxabi.v1.stable.exceptions.nonew.abilist
@@ -652,6 +652,7 @@
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7replaceEmmmc', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7reserveEm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_byEmmmmmm', 'type': 'FUNC'}
+{'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_by_without_replaceEmmmmmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9push_backEc', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_RKS4_', 'type': 'FUNC'}
@@ -690,6 +691,7 @@
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7replaceEmmmw', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7reserveEm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_byEmmmmmm', 'type': 'FUNC'}
+{'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_by_without_replaceEmmmmmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9push_backEw', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_RKS4_', 'type': 'FUNC'}
diff --git a/libcxx/lib/abi/x86_64-unknown-linux-gnu.libcxxabi.v1.stable.noexceptions.nonew.abilist b/libcxx/lib/abi/x86_64-unknown-linux-gnu.libcxxabi.v1.stable.noexceptions.nonew.abilist
--- a/libcxx/lib/abi/x86_64-unknown-linux-gnu.libcxxabi.v1.stable.noexceptions.nonew.abilist
+++ b/libcxx/lib/abi/x86_64-unknown-linux-gnu.libcxxabi.v1.stable.noexceptions.nonew.abilist
@@ -624,6 +624,7 @@
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7replaceEmmmc', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE7reserveEm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_byEmmmmmm', 'type': 'FUNC'}
+{'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9__grow_by_without_replaceEmmmmmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE9push_backEc', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC1ERKS5_RKS4_', 'type': 'FUNC'}
@@ -662,6 +663,7 @@
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7replaceEmmmw', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE7reserveEm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_byEmmmmmm', 'type': 'FUNC'}
+{'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9__grow_by_without_replaceEmmmmmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEE9push_backEw', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__112basic_stringIwNS_11char_traitsIwEENS_9allocatorIwEEEC1ERKS5_RKS4_', 'type': 'FUNC'}