[PATCH] D47607: [libcxx] Almost fix some UB in <map> and <unordered_map>

[Eric Fiselier via Phabricator via cfe-commits]

EricWF added a comment.

I should have asked, have we actually seen a midcompile caused by this? Is there a reproducer? Or is this purerly speculative?


Repository:
  rCXX libc++

https://reviews.llvm.org/D47607