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Add test demonstrating the issue.

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This commit is contained in:
jumbatm 2020-08-15 13:18:54 +10:00
parent 8cdc94e840
commit b0eb55a092
1 changed files with 117 additions and 0 deletions
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src/test/ui/lint/clashing-extern-fn-recursion.rs Normal file
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// check-pass
//
// This tests checks that clashing_extern_declarations handles types that are recursive through a
// pointer or ref argument. See #75512.
#![crate_type = "lib"]
mod raw_ptr_recursion {
mod a {
#[repr(C)]
struct Pointy {
pointy: *const Pointy,
}
extern "C" {
fn run_pointy(pointy: Pointy);
}
}
mod b {
#[repr(C)]
struct Pointy {
pointy: *const Pointy,
}
extern "C" {
fn run_pointy(pointy: Pointy);
}
}
}
mod raw_ptr_recursion_once_removed {
mod a {
#[repr(C)]
struct Pointy1 {
pointy_two: *const Pointy2,
}
#[repr(C)]
struct Pointy2 {
pointy_one: *const Pointy1,
}
extern "C" {
fn run_pointy2(pointy: Pointy2);
}
}
mod b {
#[repr(C)]
struct Pointy1 {
pointy_two: *const Pointy2,
}
#[repr(C)]
struct Pointy2 {
pointy_one: *const Pointy1,
}
extern "C" {
fn run_pointy2(pointy: Pointy2);
}
}
}
mod ref_recursion {
mod a {
#[repr(C)]
struct Reffy<'a> {
reffy: &'a Reffy<'a>,
}
extern "C" {
fn reffy_recursion(reffy: Reffy);
}
}
mod b {
#[repr(C)]
struct Reffy<'a> {
reffy: &'a Reffy<'a>,
}
extern "C" {
fn reffy_recursion(reffy: Reffy);
}
}
}
mod ref_recursion_once_removed {
mod a {
#[repr(C)]
struct Reffy1<'a> {
reffy: &'a Reffy1<'a>,
}
struct Reffy2<'a> {
reffy: &'a Reffy2<'a>,
}
extern "C" {
fn reffy_once_removed(reffy: Reffy1);
}
}
mod b {
#[repr(C)]
struct Reffy1<'a> {
reffy: &'a Reffy1<'a>,
}
struct Reffy2<'a> {
reffy: &'a Reffy2<'a>,
}
extern "C" {
fn reffy_once_removed(reffy: Reffy1);
}
}
}