deac763a04
Upstream commit: 8162147872491bb5b48e91543b19c49a29ae6b6d - nptl: Add backoff mechanism to spinlock loop - Linux: Implement a useful version of _startup_fatal - ia64: Always define IA64_USE_NEW_STUB as a flag macro - linux: Fix posix_spawn return code if clone fails (BZ#29109) - benchtests: Add wcrtomb microbenchmark - clock_settime/clock_gettime: Use __nonnull to avoid null pointer - clock_adjtime: Use __nonnull to avoid null pointer - ntp_xxxtimex: Use __nonnull to avoid null pointer - adjtimex/adjtimex64: Use __nonnull to avoid null pointer - hurd spawni: Fix reauthenticating closed fds - Linux: Define MMAP_CALL_INTERNAL - i386: Honor I386_USE_SYSENTER for 6-argument Linux system calls - i386: Remove OPTIMIZE_FOR_GCC_5 from Linux libc-do-syscall.S - manual: Clarify that abbreviations of long options are allowed
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