[Bug libstdc++/114821] _M_realloc_append should use memcpy instead of loop to copy data when possible

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114821

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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  Attachment #58014|0                           |1
        is obsolete|                            |

--- Comment #11 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Created attachment 58015
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58015&action=edit
Make std::pair relocatable and simplify __relocate_a

Fixed patch.