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Change Successors to impl Iterator<Item = BasicBlock>

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This commit is contained in:
SparrowLii 2022-05-17 08:41:01 +08:00
parent 56d540e057
commit 38bf1158bd
18 changed files with 54 additions and 55 deletions
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2
compiler/rustc_middle/src/mir/traversal.rs
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@ -180,7 +180,7 @@ impl<'a, 'tcx> Postorder<'a, 'tcx> {
// two iterations yield `C` and finally `A` for a final traversal of [E, D, B, C, A]
loop {
let bb = if let Some(&mut (_, ref mut iter)) = self.visit_stack.last_mut() {
if let Some(&bb) = iter.next() {
if let Some(bb) = iter.next() {
bb
} else {
break;