diff options
Diffstat (limited to 'tests/ui/box/leak-alloc.rs')
-rw-r--r-- | tests/ui/box/leak-alloc.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/box/leak-alloc.rs b/tests/ui/box/leak-alloc.rs new file mode 100644 index 000000000..3f0f39f44 --- /dev/null +++ b/tests/ui/box/leak-alloc.rs @@ -0,0 +1,29 @@ +#![feature(allocator_api)] + +use std::alloc::{AllocError, Allocator, Layout, System}; +use std::ptr::NonNull; + +use std::boxed::Box; + +struct Alloc {} + +unsafe impl Allocator for Alloc { + fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError> { + System.allocate(layout) + } + + unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout) { + System.deallocate(ptr, layout) + } +} + +fn use_value(_: u32) {} + +fn main() { + let alloc = Alloc {}; + let boxed = Box::new_in(10, alloc.by_ref()); + let theref = Box::leak(boxed); + drop(alloc); + //~^ ERROR cannot move out of `alloc` because it is borrowed + use_value(*theref) +} |