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gdb VecDeque pretty printer is incorrect #55944
Description
As noted here, the VecDeque pretty-printer doesn't take into account the ring buffer structure.
Example:
use std::collections::VecDeque;
fn main() {
let mut deque = VecDeque::new();
for i in 1..8 {
deque.push_back(i)
}
deque.pop_front();
deque.push_back(8);
println!("{:?}", deque);
}
Run gdb with b 10:
(gdb) p deque
$2 = VecDeque<i32>(len: -1, cap: 8)
Activity
Fix VecDeque pretty-printer
Rollup merge of rust-lang#55961 - tromey:Bug-55944-vecdeque, r=nikoma…