diff options
Diffstat (limited to 'compiler/rustc_pattern_analysis/src')
| -rw-r--r-- | compiler/rustc_pattern_analysis/src/rustc.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler/rustc_pattern_analysis/src/rustc.rs b/compiler/rustc_pattern_analysis/src/rustc.rs index eedc00a5613..4cb306b1950 100644 --- a/compiler/rustc_pattern_analysis/src/rustc.rs +++ b/compiler/rustc_pattern_analysis/src/rustc.rs @@ -462,6 +462,12 @@ impl<'p, 'tcx: 'p> RustcPatCtxt<'p, 'tcx> { _ => bug!("pattern has unexpected type: pat: {:?}, ty: {:?}", pat, ty), }; } + PatKind::DerefPattern { .. } => { + // FIXME(deref_patterns): At least detect that `box _` is irrefutable. + fields = vec![]; + arity = 0; + ctor = Opaque(OpaqueId::new()); + } PatKind::Leaf { subpatterns } | PatKind::Variant { subpatterns, .. } => { match ty.kind() { ty::Tuple(fs) => { |