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Revert "hygiene: Make sure expansion info is set at most once for a given Mark"

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This reverts commit b15785b671.
This commit is contained in:
Vadim Petrochenkov
2018-08-24 02:21:52 +03:00
parent 5ce5e08606
commit 6fdb400ff2
1 changed files with 1 additions and 8 deletions
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src/libsyntax_pos/hygiene.rs
+1 -8
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@@ -108,14 +108,7 @@ pub fn expn_info(self) -> Option<ExpnInfo> {
#[inline]
pub fn set_expn_info(self, info: ExpnInfo) {
HygieneData::with(|data| {
let old_info = &mut data.marks[self.0 as usize].expn_info;
if let Some(old_info) = old_info {
panic!("expansion info is reset for the mark {}\nold: {:#?}\nnew: {:#?}",
self.0, old_info, info);
}
*old_info = Some(info);
})
HygieneData::with(|data| data.marks[self.0 as usize].expn_info = Some(info))
}
#[inline]