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//@ test-mir-pass: DataflowConstProp
// EMIT_MIR self_assign_add.main.DataflowConstProp.diff
// CHECK-LABEL: fn main(
fn main() {
// CHECK: debug a => [[a:_.*]];
let mut a = 0;
// CHECK: [[a]] = const 1_i32;
a += 1;
// CHECK: [[a]] = const 2_i32;
a += 1;
}
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