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The panic! macro can't be called with a variable declared

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with "let" when building on stage0. So change the error
message to a static const.
This commit is contained in:
bcoopers 2015-04-12 13:47:10 -04:00
parent f8493d0660
commit ac617b6288
1 changed files with 3 additions and 3 deletions
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6
src/libcollections/vec.rs
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@ -309,10 +309,10 @@ impl<T> Vec<T> {
#[stable(feature = "rust1", since = "1.0.0")]
pub fn reserve(&mut self, additional: usize) {
if self.cap - self.len < additional {
let err_msg = "Vec::reserve: `isize` overflow";
const ERR_MSG: &'static str = "Vec::reserve: `isize` overflow";
let new_min_cap = self.len.checked_add(additional).expect(err_msg);
if new_min_cap > MAX_MEMORY_SIZE { panic!(err_msg) }
let new_min_cap = self.len.checked_add(additional).expect(ERR_MSG);
if new_min_cap > MAX_MEMORY_SIZE { panic!(ERR_MSG) }
self.grow_capacity(match new_min_cap.checked_next_power_of_two() {
Some(x) if x > MAX_MEMORY_SIZE => MAX_MEMORY_SIZE,
None => MAX_MEMORY_SIZE,