| //! Check that fold closures aren't duplicated for each iterator type. | |
| // compile-flags: -C opt-level=0 | |
| fn main() { | |
| (0i32..10).by_ref().count(); | |
| (0i32..=10).by_ref().count(); | |
| } | |
| // `count` calls `fold`, which calls `try_fold` -- find the `fold` closure: | |
| // CHECK: {{^define.*Iterator::fold::.*closure}} | |
| // | |
| // Only one closure is needed for both `count` calls, even from different | |
| // monomorphized iterator types, as it's only generic over the item type. | |
| // CHECK-NOT: {{^define.*Iterator::fold::.*closure}} |