virtual/rust: add 1.71.0

Bug: https://bugs.gentoo.org/910496
Closes: https://github.com/gentoo/gentoo/pull/31241
Signed-off-by: WANG Xuerui <xen0n@gentoo.org>

virtual/rust/rust-1.71.0.ebuild

@@ -0,0 +1,23 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit multilib-build
+
+DESCRIPTION="Virtual for Rust language compiler"
+
+LICENSE=""
+
+# adjust when rust upstream bumps internal llvm
+# we do not allow multiple llvm versions in dev-lang/rust for
+# neither system nor bundled, so we just hardcode it here.
+SLOT="0/llvm-16"
+KEYWORDS="~amd64 ~arm ~arm64 ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="rustfmt"
+
+BDEPEND=""
+RDEPEND="|| (
+	~dev-lang/rust-${PV}[rustfmt?,${MULTILIB_USEDEP}]
+	~dev-lang/rust-bin-${PV}[rustfmt?,${MULTILIB_USEDEP}]
+)"