1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/codegen/enum-bounds-check-issue-13926.rs b/src/test/codegen/enum-bounds-check-issue-13926.rs
new file mode 100644
index 000000000..1aec41d54
--- /dev/null
+++ b/src/test/codegen/enum-bounds-check-issue-13926.rs
@@ -0,0 +1,19 @@
+// This test checks an optimization that is not guaranteed to work. This test case should not block
+// a future LLVM update.
+// compile-flags: -O
+
+#![crate_type = "lib"]
+
+#[repr(u8)]
+pub enum Exception {
+    Low = 5,
+    High = 10,
+}
+
+// CHECK-LABEL: @access
+#[no_mangle]
+pub fn access(array: &[usize; 12], exc: Exception) -> usize {
+    // FIXME: panic check can be removed by adding the assumes back after https://github.com/rust-lang/rust/pull/98332
+    // CHECK: panic_bounds_check
+    array[(exc as u8 - 4) as usize]
+}