Auto merge of #141964 - sayantn:update-stdarch, r=Amanieu

Update stdarch submodule

Updates the stdarch submodule.

## Merged PRs

 - rust-lang/stdarch#1797
 - rust-lang/stdarch#1758
 - rust-lang/stdarch#1798
 - rust-lang/stdarch#1811
 - rust-lang/stdarch#1810
 - rust-lang/stdarch#1807
 - rust-lang/stdarch#1806
 - rust-lang/stdarch#1812
 - rust-lang/stdarch#1795
 - rust-lang/stdarch#1796
 - rust-lang/stdarch#1813
 - rust-lang/stdarch#1816
 - rust-lang/stdarch#1818
 - rust-lang/stdarch#1820
 - rust-lang/stdarch#1819

r? `@Amanieu`
`@rustbot` label T-libs-api

Closes rust-lang/rust#111137

Author: bors

tests/pass/shims/x86/intrinsics-x86-aes-vaes.rs

@@ -2,8 +2,6 @@
 //@only-target: x86_64 i686
 //@compile-flags: -C target-feature=+aes,+vaes,+avx512f
 
-#![feature(stdarch_x86_avx512)]
-
 use core::mem::transmute;
 #[cfg(target_arch = "x86")]
 use std::arch::x86::*;

tests/pass/shims/x86/intrinsics-x86-avx512.rs

@@ -2,8 +2,6 @@
 //@only-target: x86_64 i686
 //@compile-flags: -C target-feature=+avx512f,+avx512vl,+avx512bitalg,+avx512vpopcntdq
 
-#![feature(stdarch_x86_avx512)]
-
 #[cfg(target_arch = "x86")]
 use std::arch::x86::*;
 #[cfg(target_arch = "x86_64")]

tests/pass/shims/x86/intrinsics-x86-gfni.rs

@@ -6,7 +6,6 @@
 // be interpreted as integers; signedness does not make sense for them, but
 // __mXXXi happens to be defined in terms of signed integers.
 #![allow(overflowing_literals)]
-#![feature(stdarch_x86_avx512)]
 
 #[cfg(target_arch = "x86")]
 use std::arch::x86::*;

tests/pass/shims/x86/intrinsics-x86-vpclmulqdq.rs

@@ -8,7 +8,6 @@
 // be interpreted as integers; signedness does not make sense for them, but
 // __mXXXi happens to be defined in terms of signed integers.
 #![allow(overflowing_literals)]
-#![feature(stdarch_x86_avx512)]
 
 #[cfg(target_arch = "x86")]
 use std::arch::x86::*;