Auto-sync with upstream master
Upstream commit: 031e519c95c069abe4e4c7c59e2b4b67efccdee5
- x86-64: Align the stack in __tls_get_addr (#1440287)
- Add Tok-Pisin (tpi_PG) locale.
- Add missing yesstr/nostr for Pashto locale (swbz#21711)
- Add missing yesstr/nostr for Breton locale (swbz#21706)
- Single threaded stdio optimization
- sysconf: Use conservative default for _SC_NPROCESSORS_ONLN (swbz#21542)