1 files changed, 17 insertions, 0 deletions

diff --git a/tests/codegen-llvm/issues/issue-75546.rs b/tests/codegen-llvm/issues/issue-75546.rs
new file mode 100644
index 00000000000..1e1e6543a88
--- /dev/null
+++ b/tests/codegen-llvm/issues/issue-75546.rs
@@ -0,0 +1,17 @@
+//@ compile-flags: -Copt-level=3
+#![crate_type = "lib"]
+
+// Test that LLVM can eliminate the impossible `i == 0` check.
+
+// CHECK-LABEL: @issue_75546
+#[no_mangle]
+pub fn issue_75546() {
+    let mut i = 1u32;
+    while i < u32::MAX {
+        // CHECK-NOT: panic
+        if i == 0 {
+            panic!();
+        }
+        i += 1;
+    }
+}