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)

main/gcc/APKBUILD

@@ -12,7 +12,7 @@ _pkgsnap="${pkgver##*_git}"
 [ "$CHOST" != "$CTARGET" ] && _target="-$CTARGET_ARCH" || _target=""
 
 pkgname="$pkgname$_target"
-pkgrel=2
+pkgrel=3
 pkgdesc="The GNU Compiler Collection"
 url="https://gcc.gnu.org"
 arch="all"
@@ -323,7 +323,7 @@ build() {
 	i586-*-*-*)		_arch_configure="--with-arch=pentium-m --with-fpmath=sse --with-tune=generic --enable-cld";;
 	s390x-*-*-*)		_arch_configure="--with-arch=z196 --with-tune=zEC12 --with-zarch --with-long-double-128 --enable-decimal-float";;
 	riscv64-*-*-*)		_arch_configure="--with-arch=rv64gc --with-abi=lp64d --enable-autolink-libatomic";;
-	loongarch64-*-*-*)      _arch_configure="--with-arch=loongarch64 --with-abi=lp64d --with-tls=trad";;
+	loongarch64-*-*-*)      _arch_configure="--with-arch=loongarch64 --with-abi=lp64d";;
 	esac
 
 	case "$CTARGET_ARCH" in