YJIT: Fix mismatched_lifetime_syntaxes, new in Rust 1.89.0

Author: XrXr

yjit/src/backend/ir.rs

@@ -528,13 +528,13 @@ pub enum Insn {
 impl Insn {
     /// Create an iterator that will yield a non-mutable reference to each
     /// operand in turn for this instruction.
-    pub(super) fn opnd_iter(&self) -> InsnOpndIterator {
+    pub(super) fn opnd_iter(&self) -> InsnOpndIterator<'_> {
         InsnOpndIterator::new(self)
     }
 
     /// Create an iterator that will yield a mutable reference to each operand
     /// in turn for this instruction.
-    pub(super) fn opnd_iter_mut(&mut self) -> InsnOpndMutIterator {
+    pub(super) fn opnd_iter_mut(&mut self) -> InsnOpndMutIterator<'_> {
         InsnOpndMutIterator::new(self)
     }