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//@ compile-flags: -O
// A drop([...].clone()) sequence on an Rc should be a no-op
// In particular, no call to __rust_dealloc should be emitted
//
// We use a cdylib since it's a leaf unit for Rust purposes, so doesn't codegen -Zshare-generics
// code.
#![crate_type = "cdylib"]
use std::rc::Rc;
pub fn foo(t: &Rc<Vec<usize>>) {
// CHECK-NOT: __rust_dealloc
drop(t.clone());
}
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