rust/tests/mir-opt/inline/caller_with_trivial_bound.rs

32 lines
718 B
Rust

// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
//@ needs-unwind
#![crate_type = "lib"]
pub trait Factory<T> {
type Item;
}
pub struct IntFactory;
impl<T> Factory<T> for IntFactory {
type Item = usize;
}
// EMIT_MIR caller_with_trivial_bound.foo.Inline.diff
pub fn foo<T>()
where
// Because of this trivial bound, the inliner fails to normalize
// `<IntFactory as Factory<T>>::Item`.
// Verify that we do not inline anything, which would cause validation ICEs.
IntFactory: Factory<T>,
{
// CHECK-LABEL: fn foo(
// CHECK-NOT: (inlined bar::<T>)
let mut x: <IntFactory as Factory<T>>::Item = bar::<T>();
}
#[inline(always)]
pub fn bar<T>() -> <IntFactory as Factory<T>>::Item {
0usize
}