1 files changed, 20 insertions, 0 deletions
diff --git a/tests/codegen-llvm/issue-97217.rs b/tests/codegen-llvm/issue-97217.rs
new file mode 100644
index 00000000000..ef9acc5fc93
--- /dev/null
+++ b/tests/codegen-llvm/issue-97217.rs
@@ -0,0 +1,20 @@
+//@ compile-flags: -C opt-level=3
+#![crate_type = "lib"]
+
+// Regression test for issue 97217 (the following should result in no allocations)
+
+// CHECK-LABEL: @issue97217
+#[no_mangle]
+pub fn issue97217() -> i32 {
+    // drop_in_place should be inlined and never appear
+    // CHECK-NOT: drop_in_place
+
+    // __rust_alloc should be optimized out
+    // CHECK-NOT: __rust_alloc
+
+    let v1 = vec![5, 6, 7];
+    let v1_iter = v1.iter();
+    let total: i32 = v1_iter.sum();
+    println!("{}", total);
+    total
+}