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 use alloc::heap::*;
  11 fn main() {
  12     unsafe {
  13         let x = Heap.alloc(Layout::from_size_align_unchecked(1, 1)).unwrap();
  14         Heap.dealloc(x, Layout::from_size_align_unchecked(1, 1));
  15         Heap.realloc(x, Layout::from_size_align_unchecked(1, 1), Layout::from_size_align_unchecked(1, 1));
  16     }
  17 }