// skip-filecheck | |
// unit-test: ConstProp | |
// compile-flags: -O | |
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY | |
#![feature(rustc_attrs, stmt_expr_attributes)] | |
// Note: this test verifies that we, in fact, do not const prop `#[rustc_box]` | |
// EMIT_MIR boxes.main.ConstProp.diff | |
fn main() { | |
let x = *(#[rustc_box] | |
Box::new(42)) | |
+ 0; | |
} |