From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../default-associated-type-bound-1.rs | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 src/test/ui/specialization/default-associated-type-bound-1.rs (limited to 'src/test/ui/specialization/default-associated-type-bound-1.rs') diff --git a/src/test/ui/specialization/default-associated-type-bound-1.rs b/src/test/ui/specialization/default-associated-type-bound-1.rs new file mode 100644 index 000000000..c043114b5 --- /dev/null +++ b/src/test/ui/specialization/default-associated-type-bound-1.rs @@ -0,0 +1,24 @@ +// Check that we check that default associated types satisfy the required +// bounds on them. + +#![feature(specialization)] +//~^ WARNING `specialization` is incomplete + +trait X { + type U: Clone; + fn unsafe_clone(&self, x: Option<&Self::U>) { + x.cloned(); + } +} + +// We cannot normalize `::U` to `str` here, because the default could +// be overridden. The error here must therefore be found by a method other than +// normalization. +impl X for T { + default type U = str; + //~^ ERROR the trait bound `str: Clone` is not satisfied +} + +pub fn main() { + 1.unsafe_clone(None); +} -- cgit v1.2.3