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Diffstat (limited to 'tests/ui/codegen/mono-impossible.rs')
-rw-r--r-- | tests/ui/codegen/mono-impossible.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/codegen/mono-impossible.rs b/tests/ui/codegen/mono-impossible.rs new file mode 100644 index 000000000..1ea32ed2c --- /dev/null +++ b/tests/ui/codegen/mono-impossible.rs @@ -0,0 +1,13 @@ +// compile-flags: -Clink-dead-code=on --crate-type=lib +// build-pass + +// Make sure that we don't monomorphize the impossible method `<() as Visit>::visit`, +// which does not hold under a reveal-all param env. + +pub trait Visit { + fn visit() {} +} + +pub trait Array<'a> {} + +impl Visit for () where (): for<'a> Array<'a> {} |