Auto merge of #3286 - rust-lang:rustup-2024-01-31, r=saethlin

Automatic Rustup

Author: bors

rust-version

@@ -1 +1 @@
-dd2559e08e1530806740931037d6bb83ef956161
+80deabd0987201e1b8d060400f50e03309a0105e

src/diagnostics.rs

@@ -102,10 +102,7 @@ impl MachineStopType for TerminationInfo {
     }
     fn add_args(
         self: Box<Self>,
-        _: &mut dyn FnMut(
-            std::borrow::Cow<'static, str>,
-            rustc_errors::DiagnosticArgValue<'static>,
-        ),
+        _: &mut dyn FnMut(std::borrow::Cow<'static, str>, rustc_errors::DiagnosticArgValue),
     ) {
     }
 }

tests/pass/issues/issue-120337-irrefutable-let-ice.rs

@@ -0,0 +1,16 @@
+// Validation stops the test before the ICE we used to hit
+//@compile-flags: -Zmiri-disable-validation
+
+#![feature(never_type)]
+#[derive(Copy, Clone)]
+pub enum E {
+    A(!),
+}
+pub union U {
+    u: (),
+    e: E,
+}
+
+fn main() {
+    let E::A(ref _a) = unsafe { &(&U { u: () }).e };
+}