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