Bug: https://github.com/rust-lang/rust/issues/89607

--- a/library/alloc/tests/arc.rs
+++ b/library/alloc/tests/arc.rs
@@ -96,6 +96,7 @@
 
 fn assert_trusted_len<I: TrustedLen>(_: &I) {}
 
+#[cfg(not(any(target_arch = "powerpc", target_arch = "powerpc64")))]
 #[test]
 fn shared_from_iter_normal() {
     // Exercise the base implementation for non-`TrustedLen` iterators.
--- a/library/alloc/tests/rc.rs
+++ b/library/alloc/tests/rc.rs
@@ -92,6 +92,7 @@
 
 fn assert_trusted_len<I: TrustedLen>(_: &I) {}
 
+#[cfg(not(any(target_arch = "powerpc", target_arch = "powerpc64")))]
 #[test]
 fn shared_from_iter_normal() {
     // Exercise the base implementation for non-`TrustedLen` iterators.