Fix ICE for transmutability in candidate assembly

Don't skip transmutability check just because there may be generics in the
ParamEnv.

Fixes #110467

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/ui/transmutability/issue-110467.rs b/tests/ui/transmutability/issue-110467.rs
new file mode 100644
index 00000000000..358733b9832
--- /dev/null
+++ b/tests/ui/transmutability/issue-110467.rs
@@ -0,0 +1,17 @@
+// check-pass
+#![crate_type = "lib"]
+#![feature(transmutability)]
+use std::mem::BikeshedIntrinsicFrom;
+pub struct Context;
+
+pub fn is_maybe_transmutable<Src, Dst>()
+where
+    Dst: BikeshedIntrinsicFrom<Src, Context>,
+{
+}
+
+// The `T` here should not have any effect on checking
+// if transmutability is allowed or not.
+fn function_with_generic<T>() {
+    is_maybe_transmutable::<(), ()>();
+}