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-rw-r--r--compiler/rustc_middle/src/ty/fast_reject.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/ty/fast_reject.rs b/compiler/rustc_middle/src/ty/fast_reject.rs
index 0a6e94248e6..726689d8446 100644
--- a/compiler/rustc_middle/src/ty/fast_reject.rs
+++ b/compiler/rustc_middle/src/ty/fast_reject.rs
@@ -321,6 +321,10 @@ impl DeepRejectCtxt {
                 TreatParams::AsCandidateKey => true,
             },
 
+            ty::Infer(ty::IntVar(_)) => impl_ty.is_integral(),
+
+            ty::Infer(ty::FloatVar(_)) => impl_ty.is_floating_point(),
+
             ty::Infer(_) => true,
 
             // As we're walking the whole type, it may encounter projections