diff --git a/library/core/Cargo.toml b/library/core/Cargo.toml
index 1538ecc6b9297..edde8153aa1d2 100644
--- a/library/core/Cargo.toml
+++ b/library/core/Cargo.toml
@@ -32,6 +32,8 @@ check-cfg = [
     'cfg(bootstrap)',
     'cfg(no_fp_fmt_parse)',
     'cfg(stdarch_intel_sde)',
+    # #[cfg(bootstrap)]
+    'cfg(target_feature, values("vector-enhancements-1"))',
     # core use #[path] imports to portable-simd `core_simd` crate
     # and to stdarch `core_arch` crate which messes-up with Cargo list
     # of declared features, we therefor expect any feature cfg
diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs
index db68f472c42f6..db3697c7e6b5a 100644
--- a/library/core/src/lib.rs
+++ b/library/core/src/lib.rs
@@ -205,11 +205,13 @@
 #![feature(arm_target_feature)]
 #![feature(avx512_target_feature)]
 #![feature(hexagon_target_feature)]
+#![feature(keylocker_x86)]
 #![feature(loongarch_target_feature)]
 #![feature(mips_target_feature)]
 #![feature(powerpc_target_feature)]
 #![feature(riscv_target_feature)]
 #![feature(rtm_target_feature)]
+#![feature(s390x_target_feature)]
 #![feature(sha512_sm_x86)]
 #![feature(sse4a_target_feature)]
 #![feature(tbm_target_feature)]
diff --git a/library/stdarch b/library/stdarch
index 684de0d6fef70..2ca25b41fc4cb 160000
--- a/library/stdarch
+++ b/library/stdarch
@@ -1 +1 @@
-Subproject commit 684de0d6fef708cae08214fef9643dd9ec7296e1
+Subproject commit 2ca25b41fc4cb77fe5d73e8f732ae95dda5d3139