[libcxx-commits] [libcxx] [libcxx] Recalculate union-member sizes in basic_string (PR #168742)

[Simon Tatham via libcxx-commits]

statham-arm wrote:

Ping.

It took me some time to get this fix through the very thorough multilayer CI, but all the tests are happy now, so this is ready to be reviewed by a human.

https://github.com/llvm/llvm-project/pull/168742