Use memcpy instead of memmove in __relocate_a_1

__relocate_a_1 is used to copy data after vector reizing.  This can be done by memcpy
rather than memmove.

libstdc++-v3/ChangeLog:

	PR middle-end/109849
	* include/bits/stl_uninitialized.h (__relocate_a_1): Use memcpy instead
	of memmove.

diff --git a/libstdc++-v3/include/bits/stl_uninitialized.h b/libstdc++-v3/include/bits/stl_uninitialized.h
index 1282af3bc43f322f21e3067590a3cf662dae3592..a9b802774c66ecec8d9839fb29e537eaee53dfa4 100644 (file)
--- a/libstdc++-v3/include/bits/stl_uninitialized.h
+++ b/libstdc++-v3/include/bits/stl_uninitialized.h
@@ -1119,14 +1119,14 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 #ifdef __cpp_lib_is_constant_evaluated
          if (std::is_constant_evaluated())
            {
-             // Can't use memmove. Wrap the pointer so that __relocate_a_1
+             // Can't use memcpu. Wrap the pointer so that __relocate_a_1
              // resolves to the non-trivial overload above.
              __gnu_cxx::__normal_iterator<_Tp*, void> __out(__result);
              __out = std::__relocate_a_1(__first, __last, __out, __alloc);
              return __out.base();
            }
 #endif
-         __builtin_memmove(__result, __first, __count * sizeof(_Tp));
+         __builtin_memcpy(__result, __first, __count * sizeof(_Tp));
        }
       return __result + __count;
     }