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 --- .../ui/associated-types/defaults-cyclic-fail-2.rs | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 src/test/ui/associated-types/defaults-cyclic-fail-2.rs (limited to 'src/test/ui/associated-types/defaults-cyclic-fail-2.rs') diff --git a/src/test/ui/associated-types/defaults-cyclic-fail-2.rs b/src/test/ui/associated-types/defaults-cyclic-fail-2.rs new file mode 100644 index 000000000..e91c9f2d2 --- /dev/null +++ b/src/test/ui/associated-types/defaults-cyclic-fail-2.rs @@ -0,0 +1,41 @@ +#![feature(associated_type_defaults)] + +// A more complex version of `defaults-cyclic-fail-1.rs`, with non-trivial defaults. + +// Having a cycle in assoc. type defaults is okay... +trait Tr { + type A = Vec; + type B = Box; +} + +impl Tr for () {} + +impl Tr for u8 { + type A = u8; +} + +impl Tr for u16 { + type B = (); +} + +impl Tr for u32 { + type A = (); + type B = u8; +} + +impl Tr for bool { + type A = Box; + //~^ ERROR overflow evaluating the requirement `::B == _` +} +// (the error is shown twice for some reason) + +impl Tr for usize { + type B = &'static Self::A; + //~^ ERROR overflow evaluating the requirement `::A == _` +} + +fn main() { + // We don't check that the types project correctly because the cycle errors stop compilation + // before `main` is type-checked. + // `defaults-cyclic-pass-2.rs` does this. +} -- cgit v1.2.3