3 files changed, 10 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs
index bb068f3821d..802583f283d 100644
--- a/compiler/rustc_middle/src/mir/syntax.rs
+++ b/compiler/rustc_middle/src/mir/syntax.rs
@@ -1075,6 +1075,7 @@ pub enum AssertKind<O> {
     ResumedAfterDrop(CoroutineKind),
     MisalignedPointerDereference { required: O, found: O },
     NullPointerDereference,
+    InvalidEnumConstruction(O),
 }
 
 #[derive(Clone, Debug, PartialEq, TyEncodable, TyDecodable, Hash, HashStable)]
diff --git a/compiler/rustc_middle/src/mir/terminator.rs b/compiler/rustc_middle/src/mir/terminator.rs
index 0834fa8844c..4034a3a06e9 100644
--- a/compiler/rustc_middle/src/mir/terminator.rs
+++ b/compiler/rustc_middle/src/mir/terminator.rs
@@ -208,6 +208,7 @@ impl<O> AssertKind<O> {
                 LangItem::PanicGenFnNonePanic
             }
             NullPointerDereference => LangItem::PanicNullPointerDereference,
+            InvalidEnumConstruction(_) => LangItem::PanicInvalidEnumConstruction,
             ResumedAfterDrop(CoroutineKind::Coroutine(_)) => LangItem::PanicCoroutineResumedDrop,
             ResumedAfterDrop(CoroutineKind::Desugared(CoroutineDesugaring::Async, _)) => {
                 LangItem::PanicAsyncFnResumedDrop
@@ -284,6 +285,9 @@ impl<O> AssertKind<O> {
                 )
             }
             NullPointerDereference => write!(f, "\"null pointer dereference occurred\""),
+            InvalidEnumConstruction(source) => {
+                write!(f, "\"trying to construct an enum from an invalid value {{}}\", {source:?}")
+            }
             ResumedAfterReturn(CoroutineKind::Coroutine(_)) => {
                 write!(f, "\"coroutine resumed after completion\"")
             }
@@ -367,6 +371,7 @@ impl<O> AssertKind<O> {
                 middle_assert_coroutine_resume_after_panic
             }
             NullPointerDereference => middle_assert_null_ptr_deref,
+            InvalidEnumConstruction(_) => middle_assert_invalid_enum_construction,
             ResumedAfterDrop(CoroutineKind::Desugared(CoroutineDesugaring::Async, _)) => {
                 middle_assert_async_resume_after_drop
             }
@@ -420,6 +425,9 @@ impl<O> AssertKind<O> {
                 add!("required", format!("{required:#?}"));
                 add!("found", format!("{found:#?}"));
             }
+            InvalidEnumConstruction(source) => {
+                add!("source", format!("{source:#?}"));
+            }
         }
     }
 }
diff --git a/compiler/rustc_middle/src/mir/visit.rs b/compiler/rustc_middle/src/mir/visit.rs
index 1777756174b..929ebe1aee1 100644
--- a/compiler/rustc_middle/src/mir/visit.rs
+++ b/compiler/rustc_middle/src/mir/visit.rs
@@ -642,7 +642,7 @@ macro_rules! make_mir_visitor {
                         self.visit_operand(l, location);
                         self.visit_operand(r, location);
                     }
-                    OverflowNeg(op) | DivisionByZero(op) | RemainderByZero(op) => {
+                    OverflowNeg(op) | DivisionByZero(op) | RemainderByZero(op) | InvalidEnumConstruction(op) => {
                         self.visit_operand(op, location);
                     }
                     ResumedAfterReturn(_) | ResumedAfterPanic(_) | NullPointerDereference | ResumedAfterDrop(_) => {