61 lines
853 B
Rust
61 lines
853 B
Rust
// Check that inliner handles various forms of recursion and doesn't fall into
|
|
// an infinite inlining cycle. The particular outcome of inlining is not
|
|
// crucial otherwise.
|
|
//
|
|
// Regression test for issue #78573.
|
|
|
|
fn main() {
|
|
one();
|
|
two();
|
|
}
|
|
|
|
// EMIT_MIR inline_cycle.one.Inline.diff
|
|
fn one() {
|
|
<C as Call>::call();
|
|
}
|
|
|
|
pub trait Call {
|
|
fn call();
|
|
}
|
|
|
|
pub struct A<T>(T);
|
|
pub struct B<T>(T);
|
|
pub struct C;
|
|
|
|
impl<T: Call> Call for A<T> {
|
|
#[inline]
|
|
fn call() {
|
|
<B<T> as Call>::call()
|
|
}
|
|
}
|
|
|
|
|
|
impl<T: Call> Call for B<T> {
|
|
#[inline]
|
|
fn call() {
|
|
<T as Call>::call()
|
|
}
|
|
}
|
|
|
|
impl Call for C {
|
|
#[inline]
|
|
fn call() {
|
|
A::<C>::call()
|
|
}
|
|
}
|
|
|
|
// EMIT_MIR inline_cycle.two.Inline.diff
|
|
fn two() {
|
|
call(f);
|
|
}
|
|
|
|
#[inline]
|
|
fn call<F: FnOnce()>(f: F) {
|
|
f();
|
|
}
|
|
|
|
#[inline]
|
|
fn f() {
|
|
call(f);
|
|
}
|