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Fix TypedArena infinitely looping when inplace reallocation fails.

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This commit is contained in:
Mark Simulacrum
2016-12-23 20:47:47 -07:00
parent 9e963b9b2f
commit bb1959f416
1 changed files with 2 additions and 2 deletions
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src/libarena/lib.rs
+2 -2
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@@ -196,9 +196,9 @@ fn grow(&self, n: usize) {
self.end.set(last_chunk.end());
return;
} else {
let prev_capacity = last_chunk.storage.cap();
new_capacity = last_chunk.storage.cap();
loop {
new_capacity = prev_capacity.checked_mul(2).unwrap();
new_capacity = new_capacity.checked_mul(2).unwrap();
if new_capacity >= currently_used_cap + n {
break;
}