main/gcc: restore TLS descriptors on loongarch64
musl mailing list has the musl TLSDESC patch on loongarch64.
ref:https://www.openwall.com/lists/musl/2024/09/10/1
Note that this MR needs to be merged after !71733 (merged)
musl mailing list has the musl TLSDESC patch on loongarch64.
ref:https://www.openwall.com/lists/musl/2024/09/10/1
Note that this MR needs to be merged after !71733 (merged)