diff options
| -rw-r--r-- | compiler/rustc_middle/src/ty/util.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index 8bf60c40b85..6704f3eeb2a 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -876,7 +876,10 @@ impl<'tcx> TyCtxt<'tcx> { // | Yes | No | No | !(true && !false) | // | No | No | Yes | !(false && !false) | !(self.is_private_dep(key) - && !self.extern_crate(key.as_def_id()).expect("crate must exist").is_direct()) + // If `extern_crate` is `None`, then the crate was injected (e.g., by the allocator). + // Treat that kind of crate as "indirect", since it's an implementation detail of + // the language. + && !self.extern_crate(key.as_def_id()).map_or(false, |e| e.is_direct())) } } |