diff options
Diffstat (limited to 'tests/ui/explicit-tail-calls')
10 files changed, 30 insertions, 3 deletions
diff --git a/tests/ui/explicit-tail-calls/c-variadic.rs b/tests/ui/explicit-tail-calls/c-variadic.rs new file mode 100644 index 00000000000..e6eebe4228e --- /dev/null +++ b/tests/ui/explicit-tail-calls/c-variadic.rs @@ -0,0 +1,14 @@ +#![expect(incomplete_features)] +#![feature(c_variadic, explicit_tail_calls)] +#![allow(unused)] + +unsafe extern "C" fn foo(mut ap: ...) -> u32 { + ap.arg::<u32>() +} + +extern "C" fn bar() -> u32 { + unsafe { become foo(1, 2, 3) } + //~^ ERROR c-variadic functions can't be tail-called +} + +fn main() {} diff --git a/tests/ui/explicit-tail-calls/c-variadic.stderr b/tests/ui/explicit-tail-calls/c-variadic.stderr new file mode 100644 index 00000000000..5293339d218 --- /dev/null +++ b/tests/ui/explicit-tail-calls/c-variadic.stderr @@ -0,0 +1,8 @@ +error: c-variadic functions can't be tail-called + --> $DIR/c-variadic.rs:10:14 + | +LL | unsafe { become foo(1, 2, 3) } + | ^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/explicit-tail-calls/callee_is_track_caller.rs b/tests/ui/explicit-tail-calls/callee_is_track_caller.rs index b85b335844b..1246a3801fc 100644 --- a/tests/ui/explicit-tail-calls/callee_is_track_caller.rs +++ b/tests/ui/explicit-tail-calls/callee_is_track_caller.rs @@ -1,5 +1,6 @@ //@ run-pass //@ ignore-pass +//@ ignore-backends: gcc #![expect(incomplete_features)] #![feature(explicit_tail_calls)] diff --git a/tests/ui/explicit-tail-calls/callee_is_track_caller.stderr b/tests/ui/explicit-tail-calls/callee_is_track_caller.stderr index e1a251d156f..020a0542a57 100644 --- a/tests/ui/explicit-tail-calls/callee_is_track_caller.stderr +++ b/tests/ui/explicit-tail-calls/callee_is_track_caller.stderr @@ -1,5 +1,5 @@ warning: tail calling a function marked with `#[track_caller]` has no special effect - --> $DIR/callee_is_track_caller.rs:7:12 + --> $DIR/callee_is_track_caller.rs:8:12 | LL | become b(x); | ^^^^ diff --git a/tests/ui/explicit-tail-calls/callee_is_track_caller_polymorphic.rs b/tests/ui/explicit-tail-calls/callee_is_track_caller_polymorphic.rs index 33384de83eb..51688897b40 100644 --- a/tests/ui/explicit-tail-calls/callee_is_track_caller_polymorphic.rs +++ b/tests/ui/explicit-tail-calls/callee_is_track_caller_polymorphic.rs @@ -1,5 +1,6 @@ //@ run-pass //@ ignore-pass +//@ ignore-backends: gcc #![expect(incomplete_features)] #![feature(explicit_tail_calls)] diff --git a/tests/ui/explicit-tail-calls/callee_is_track_caller_polymorphic.stderr b/tests/ui/explicit-tail-calls/callee_is_track_caller_polymorphic.stderr index 5a1c40509ad..7b4c144acff 100644 --- a/tests/ui/explicit-tail-calls/callee_is_track_caller_polymorphic.stderr +++ b/tests/ui/explicit-tail-calls/callee_is_track_caller_polymorphic.stderr @@ -1,5 +1,5 @@ warning: tail calling a function marked with `#[track_caller]` has no special effect - --> $DIR/callee_is_track_caller_polymorphic.rs:7:12 + --> $DIR/callee_is_track_caller_polymorphic.rs:8:12 | LL | become T::f(); | ^^^^^^ diff --git a/tests/ui/explicit-tail-calls/callee_is_weird.stderr b/tests/ui/explicit-tail-calls/callee_is_weird.stderr index a4e5a38ce33..9a5da28b559 100644 --- a/tests/ui/explicit-tail-calls/callee_is_weird.stderr +++ b/tests/ui/explicit-tail-calls/callee_is_weird.stderr @@ -12,7 +12,7 @@ error: tail calls can only be performed with function definitions or pointers LL | become (&mut &std::sync::Exclusive::new(f))() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: callee has type `Exclusive<fn() {f}>` + = note: callee has type `&Exclusive<fn() {f}>` error: tail calls can only be performed with function definitions or pointers --> $DIR/callee_is_weird.rs:22:12 diff --git a/tests/ui/explicit-tail-calls/drop-order.rs b/tests/ui/explicit-tail-calls/drop-order.rs index 58e1afbdf0c..ff6e2f09f57 100644 --- a/tests/ui/explicit-tail-calls/drop-order.rs +++ b/tests/ui/explicit-tail-calls/drop-order.rs @@ -1,4 +1,5 @@ //@ run-pass +//@ ignore-backends: gcc #![expect(incomplete_features)] #![feature(explicit_tail_calls)] use std::cell::RefCell; diff --git a/tests/ui/explicit-tail-calls/indexer.rs b/tests/ui/explicit-tail-calls/indexer.rs index 5644506b2f5..c26d9774ce7 100644 --- a/tests/ui/explicit-tail-calls/indexer.rs +++ b/tests/ui/explicit-tail-calls/indexer.rs @@ -1,4 +1,5 @@ //@ run-pass +//@ ignore-backends: gcc // Indexing taken from // https://github.com/phi-go/rfcs/blob/guaranteed-tco/text%2F0000-explicit-tail-calls.md#tail-call-elimination // no other test has utilized the "function table" diff --git a/tests/ui/explicit-tail-calls/recursion-etc.rs b/tests/ui/explicit-tail-calls/recursion-etc.rs index 8c89ceb7869..c22401d2379 100644 --- a/tests/ui/explicit-tail-calls/recursion-etc.rs +++ b/tests/ui/explicit-tail-calls/recursion-etc.rs @@ -1,4 +1,5 @@ //@ run-pass +//@ ignore-backends: gcc #![expect(incomplete_features)] #![feature(explicit_tail_calls)] |