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// unit-test: CopyProp
fn id<T>(x: T) -> T {
x
}
// EMIT_MIR dead_stores_79191.f.CopyProp.after.mir
fn f(mut a: usize) -> usize {
let b = a;
a = 5;
a = b;
id(a)
}
fn main() {
f(0);
}
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