dev-lang/rust: fix 1.67.0 selfbootstrap

Closes: https://bugs.gentoo.org/892369
Signed-off-by: Georgy Yakovlev <gyakovlev@gentoo.org>

2 files changed, 39 insertions, 0 deletions

diff --git a/dev-lang/rust/files/1.67.0-bootstrap.patch b/dev-lang/rust/files/1.67.0-bootstrap.patch
new file mode 100644
index 000000000000..eb160661a2c2
--- /dev/null
+++ b/dev-lang/rust/files/1.67.0-bootstrap.patch
@@ -0,0 +1,38 @@
+From 675fa0b3dd5fe14b43ad5b7862f4528df7322468 Mon Sep 17 00:00:00 2001
+From: Michael Goulet <michael@errs.io>
+Date: Mon, 12 Dec 2022 18:29:33 +0000
+Subject: [PATCH] =?UTF-8?q?=F0=9F=9A=A8=20fix=20unsoundness=20in=20bootstr?=
+ =?UTF-8?q?ap=20cache=20code?=
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+---
+ src/bootstrap/cache.rs | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/src/bootstrap/cache.rs b/src/bootstrap/cache.rs
+index be5c9bb078808..05f25af68ea8f 100644
+--- a/src/bootstrap/cache.rs
++++ b/src/bootstrap/cache.rs
+@@ -89,16 +89,16 @@ impl<T: Internable + Hash> Hash for Interned<T> {
+ 
+ impl<T: Internable + Deref> Deref for Interned<T> {
+     type Target = T::Target;
+-    fn deref(&self) -> &'static Self::Target {
++    fn deref(&self) -> &Self::Target {
+         let l = T::intern_cache().lock().unwrap();
+-        unsafe { mem::transmute::<&Self::Target, &'static Self::Target>(l.get(*self)) }
++        unsafe { mem::transmute::<&Self::Target, &Self::Target>(l.get(*self)) }
+     }
+ }
+ 
+ impl<T: Internable + AsRef<U>, U: ?Sized> AsRef<U> for Interned<T> {
+-    fn as_ref(&self) -> &'static U {
++    fn as_ref(&self) -> &U {
+         let l = T::intern_cache().lock().unwrap();
+-        unsafe { mem::transmute::<&U, &'static U>(l.get(*self).as_ref()) }
++        unsafe { mem::transmute::<&U, &U>(l.get(*self).as_ref()) }
+     }
+ }
+ 
diff --git a/dev-lang/rust/rust-1.67.0.ebuild b/dev-lang/rust/rust-1.67.0.ebuild
index c534fb40bb83..095c3d5689e0 100644
--- a/dev-lang/rust/rust-1.67.0.ebuild
+++ b/dev-lang/rust/rust-1.67.0.ebuild
@@ -163,6 +163,7 @@ VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/rust.asc
 PATCHES=(
 	"${FILESDIR}"/1.65.0-ignore-broken-and-non-applicable-tests.patch
 	"${FILESDIR}"/1.62.1-musl-dynamic-linking.patch
+	"${FILESDIR}"/1.67.0-bootstrap.patch
 )
 
 S="${WORKDIR}/${MY_P}-src"