tests/compile-fail/reallocate-dangling.rs

   1 #![feature(alloc, allocator_api)]
   2
   3 extern crate alloc;
   4
   5 use alloc::heap::Heap;
   6 use alloc::allocator::*;
   7
   8 // error-pattern: dangling pointer was dereferenced
   9
  10 fn main() {
  11     unsafe {
  12         let x = Heap.alloc(Layout::from_size_align_unchecked(1, 1)).unwrap();
  13         Heap.dealloc(x, Layout::from_size_align_unchecked(1, 1));
  14         Heap.realloc(x, Layout::from_size_align_unchecked(1, 1), Layout::from_size_align_unchecked(1, 1));
  15     }
  16 }