diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs
index 2718dd114731b..464a85f5c99be 100644
--- a/library/core/src/lib.rs
+++ b/library/core/src/lib.rs
@@ -269,6 +269,7 @@
 #![feature(arm_target_feature)]
 #![feature(avx512_target_feature)]
 #![feature(hexagon_target_feature)]
+#![feature(loongarch_target_feature)]
 #![feature(mips_target_feature)]
 #![feature(powerpc_target_feature)]
 #![feature(riscv_target_feature)]
diff --git a/library/stdarch b/library/stdarch
index 56087ea170d87..967e7afd87cbe 160000
--- a/library/stdarch
+++ b/library/stdarch
@@ -1 +1 @@
-Subproject commit 56087ea170d878a7a57b3a5725e0c00f5f5cad70
+Subproject commit 967e7afd87cbea3232581a4a55031134ab88f595