File: apfloat-remainder-regression.rs

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rustc 1.85.0%2Bdfsg3-1
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//@ run-pass
//@ compile-flags: -O -Zmir-opt-level=3 -Cno-prepopulate-passes

// Regression test for a broken MIR optimization (issue #102403).
pub fn f() -> f64 {
    std::hint::black_box(-1.0) % std::hint::black_box(-1.0)
}

pub fn g() -> f64 {
    -1.0 % -1.0
}

pub fn main() {
    assert_eq!(f().signum(), g().signum());
}