diff options
| -rw-r--r-- | src/librustc_incremental/calculate_svh/mod.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/librustc_incremental/calculate_svh/mod.rs b/src/librustc_incremental/calculate_svh/mod.rs index c08519090d2..0339f488272 100644 --- a/src/librustc_incremental/calculate_svh/mod.rs +++ b/src/librustc_incremental/calculate_svh/mod.rs @@ -88,7 +88,12 @@ impl<'a> ::std::ops::Index<&'a DepNode<DefId>> for IncrementalHashesMap { type Output = Fingerprint; fn index(&self, index: &'a DepNode<DefId>) -> &Fingerprint { - &self.hashes[index] + match self.hashes.get(index) { + Some(fingerprint) => fingerprint, + None => { + bug!("Could not find ICH for {:?}", index); + } + } } } |