1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/generic_const_exprs/dont-eagerly-error-in-is-const-evaluatable.rs b/src/test/ui/const-generics/generic_const_exprs/dont-eagerly-error-in-is-const-evaluatable.rs
new file mode 100644
index 000000000..3543960c3
--- /dev/null
+++ b/src/test/ui/const-generics/generic_const_exprs/dont-eagerly-error-in-is-const-evaluatable.rs
@@ -0,0 +1,16 @@
+// run-pass
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+
+// This test is a repro for #82279. It checks that we don't error
+// when calling is_const_evaluatable on `std::mem::size_of::<T>()`
+// when looking for candidates that may prove `T: Foo` in `foo`
+
+trait Foo {}
+
+#[allow(dead_code)]
+fn foo<T: Foo>() {}
+
+impl<T> Foo for T where [(); std::mem::size_of::<T>()]:  {}
+
+fn main() {}