tree d6a81a47ef6fbc2553a709be1df7d6ffbdeed9a1
parent 49ae262e74f0e022a2a56dd029c6b6464e24b13e
author Marshall Clow <mclow.lists@gmail.com> 1560208801 +0000
committer Marshall Clow <mclow.lists@gmail.com> 1560208801 +0000

Recommit r362649, which was reverted in r262680 because of bugs in std::to_chars (which have now been fixed). Speedup to_string and to_wstring for integers using stack buffer and SSO

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@363003 91177308-0d34-0410-b5e6-96231b3b80d8