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// skip-filecheck
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
// This is a copy of the `dead_stores_79191` test, except that we turn on DSE. This demonstrates
// that that pass enables this one to do more optimizations.
// unit-test: DestinationPropagation
// compile-flags: -Zmir-enable-passes=+DeadStoreElimination
fn id<T>(x: T) -> T {
x
}
// EMIT_MIR dead_stores_better.f.DestinationPropagation.after.mir
pub fn f(mut a: usize) -> usize {
let b = a;
a = 5;
a = b;
id(a)
}
fn main() {
f(0);
}
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