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

[Eric Fiselier via Phabricator via cfe-commits]

EricWF added inline comments.


================
Comment at: libcxx/include/unordered_map:586
 union __hash_value_type
 {
     typedef _Key                                     key_type;
----------------
`union` -> `class`


Repository:
  rCXX libc++

https://reviews.llvm.org/D47607