7579185b4c
`for` loop heads.
This breaks code like:
let x = Some(box 1i);
for &a in x.iter() {
}
Change this code to obey the borrow checking rules. For example:
let x = Some(box 1i);
for &ref a in x.iter() {
}
Closes #16205.
[breaking-change]
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| .. | ||
| auxiliary | ||
| bench | ||
| codegen | ||
| compile-fail | ||
| compile-fail-fulldeps | ||
| debuginfo | ||
| pretty | ||
| run-fail | ||
| run-make | ||
| run-pass | ||
| run-pass-fulldeps | ||