bjoernager/rust
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Add error message for missing MIR.

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This commit is contained in:
Scott Olson 2016-03-18 12:11:39 -06:00
parent 31b8c17770
commit e910d40e6a
1 changed files with 3 additions and 1 deletions
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4
src/interpreter.rs
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@ -743,7 +743,9 @@ impl<'a, 'tcx: 'a, 'arena> Interpreter<'a, 'tcx, 'arena> {
use rustc::middle::cstore::CrateStore;
let cs = &self.tcx.sess.cstore;
let mir = cs.maybe_get_item_mir(self.tcx, def_id).unwrap();
let mir = cs.maybe_get_item_mir(self.tcx, def_id).unwrap_or_else(|| {
panic!("no mir for {:?}", def_id);
});
let cached = Rc::new(mir);
mir_cache.insert(def_id, cached.clone());
CachedMir::Owned(cached)