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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:39 +0000 |
commit | 1376c5a617be5c25655d0d7cb63e3beaa5a6e026 (patch) | |
tree | 3bb8d61aee02bc7a15eab3f36e3b921afc2075d0 /tests/ui/traits/new-solver/stall-num-var-auto-trait.rs | |
parent | Releasing progress-linux version 1.69.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-1376c5a617be5c25655d0d7cb63e3beaa5a6e026.tar.xz rustc-1376c5a617be5c25655d0d7cb63e3beaa5a6e026.zip |
Merging upstream version 1.70.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/traits/new-solver/stall-num-var-auto-trait.rs')
-rw-r--r-- | tests/ui/traits/new-solver/stall-num-var-auto-trait.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/traits/new-solver/stall-num-var-auto-trait.rs b/tests/ui/traits/new-solver/stall-num-var-auto-trait.rs new file mode 100644 index 000000000..0539c3a42 --- /dev/null +++ b/tests/ui/traits/new-solver/stall-num-var-auto-trait.rs @@ -0,0 +1,25 @@ +// compile-flags: -Ztrait-solver=next +// revisions: fallback constrain +//[constrain] check-pass + +// Tests that we stall the `{integer}: Foo` obligation until after we +// constrain the int type (or fallback occurs). + +#![feature(negative_impls, auto_traits)] + +auto trait Foo {} + +impl !Foo for i32 {} + +fn needs_foo(x: impl Foo) {} + +fn main() { + let mut x = 0; + needs_foo(x); + //[fallback]~^ ERROR the trait bound `i32: Foo` is not satisfied + + #[cfg(constrain)] + { + x = 1u64; + } +} |