mirror of https://github.com/rust-lang/rust
49 lines
864 B
Rust
49 lines
864 B
Rust
//@ run-pass
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// regression test for issue #94923
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//@ compile-flags: -C opt-level=3
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fn f0<T>(mut x: usize) -> usize {
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for _ in 0..1000 {
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x *= 123;
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x %= 99
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}
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x + 321 // function composition is not just longer iteration
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}
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fn f1<T>(x: usize) -> usize {
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f0::<(i8, T)>(f0::<(u8, T)>(x))
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}
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fn f2<T>(x: usize) -> usize {
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f1::<(i8, T)>(f1::<(u8, T)>(x))
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}
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fn f3<T>(x: usize) -> usize {
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f2::<(i8, T)>(f2::<(u8, T)>(x))
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}
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fn f4<T>(x: usize) -> usize {
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f3::<(i8, T)>(f3::<(u8, T)>(x))
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}
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fn f5<T>(x: usize) -> usize {
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f4::<(i8, T)>(f4::<(u8, T)>(x))
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}
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fn f6<T>(x: usize) -> usize {
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f5::<(i8, T)>(f5::<(u8, T)>(x))
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}
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fn f7<T>(x: usize) -> usize {
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f6::<(i8, T)>(f6::<(u8, T)>(x))
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}
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fn f8<T>(x: usize) -> usize {
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f7::<(i8, T)>(f7::<(u8, T)>(x))
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}
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fn main() {
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let y = f8::<()>(1);
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assert_eq!(y, 348);
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}
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