Auto-sync with upstream branch master
Upstream commit: 48c3c1238925410b4e777dc94e2fde4cc9132d44
- Linux: Fix __glibc_has_include use for <sys/stat.h> and statx (#1721129)
- <sys/cdefs.h>: Inhibit macro expansion for __glibc_has_include
- Add IPV6_ROUTER_ALERT_ISOLATE from Linux 5.1 to bits/in.h
- aarch64: handle STO_AARCH64_VARIANT_PCS
- aarch64: add STO_AARCH64_VARIANT_PCS and DT_AARCH64_VARIANT_PCS
- powerpc: Remove optimized finite
- math: Use wordsize-64 version for finite
- powerpc: Remove optimized isinf
- math: Use wordsize-64 version for isinf
- powerpc: Remove optimized isnan
- math: Use wordsize-64 version for isnan
- benchtests: Add isnan/isinf/isfinite benchmark
- powerpc: copysign cleanup
- powerpc: consolidate rint
- libio: freopen of default streams crashes in old programs (swbz#24632)
- Linux: Deprecate <sys/sysctl.h> and sysctl
- <sys/stat.h>: Use Linux UAPI header for statx if available and useful
(#1721129)
- <sys/cdefs.h>: Add __glibc_has_include macro
- Improve performance of memmem
- Improve performance of strstr
- Benchmark strstr hard needles
- Fix malloc tests build with GCC 10