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Add extern type pointer cast tests

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This commit is contained in:
bjorn3 2019-09-21 11:32:11 +02:00
parent fdfb1eda2c
commit f2c574aebf
1 changed files with 15 additions and 1 deletions
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16
example/mini_core_hello_world.rs
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@ -1,6 +1,6 @@
// Adapted from https://github.com/sunfishcode/mir2cranelift/blob/master/rust-examples/nocore-hello-world.rs
#![feature(no_core, unboxed_closures, start, lang_items, box_syntax, slice_patterns, never_type, linkage)]
#![feature(no_core, unboxed_closures, start, lang_items, box_syntax, slice_patterns, never_type, linkage, extern_types)]
#![no_core]
#![allow(dead_code)]
@ -262,6 +262,20 @@ fn main() {
assert_eq!(*ANOTHER_STATIC, 42);
check_niche_behavior();
extern "C" {
type ExternType;
}
struct ExternTypeWrapper {
_a: ExternType,
}
let nullptr = 0 as *const ();
let extern_nullptr = nullptr as *const ExternTypeWrapper;
extern_nullptr as *const ();
let slice_ptr = &[] as *const [u8];
slice_ptr as *const u8;
}
// Copied ui/issues/issue-61696.rs