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slightly more verbose error msg

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Ralf Jung 2018-11-21 16:02:38 +01:00
parent 41f89beb3f
commit 694d2490f1
1 changed files with 1 additions and 1 deletions
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2
src/stacked_borrows.rs
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@ -153,7 +153,7 @@ impl<'tcx> Stack {
fn deref(&self, bor: Borrow, kind: RefKind) -> Result<Option<usize>, String> {
// Exclude unique ref with frozen tag.
if let (RefKind::Unique, Borrow::Shr(Some(_))) = (kind, bor) {
return Err(format!("Encountered mutable reference with frozen tag"));
return Err(format!("Encountered mutable reference with frozen tag ({:?})", bor));
}
// Checks related to freezing
match bor {