Auto-sync with upstream branch master
Upstream commit: 4612268a0ad8e3409d8ce2314dd2dd8ee0af5269
- Correct the list of static PIE architectures
- glibc_post_upgrade: Remove process restart logic
- glibc_post_upgrade: Integrate into the build process
- glibc_post_upgrade: Do not clean up tls subdirectories
- glibc_post_upgrade: Drop ia64 support
- Remove architecture-specific symbolic link for iconvconfig
- powerpc: Fix syscalls during early process initialization (swbz#22685)