diff --git a/tests/ui/sized-hierarchy/overflow.current.stderr b/tests/ui/sized-hierarchy/overflow.current.stderr new file mode 100644 index 000000000000..e90548aa78c6 --- /dev/null +++ b/tests/ui/sized-hierarchy/overflow.current.stderr @@ -0,0 +1,45 @@ +error[E0275]: overflow evaluating the requirement `Element: MetaSized` + --> $DIR/overflow.rs:16:16 + | +LL | struct Element(> as ParseTokens>::Output); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: required for `Box` to implement `ParseTokens` + --> $DIR/overflow.rs:12:31 + | +LL | impl ParseTokens for Box { + | - ^^^^^^^^^^^ ^^^^^^ + | | + | unsatisfied trait bound introduced here + = note: 1 redundant requirement hidden + = note: required for `Box>` to implement `ParseTokens` + +error[E0275]: overflow evaluating the requirement `Box: ParseTokens` + --> $DIR/overflow.rs:18:22 + | +LL | impl ParseTokens for Element { + | ^^^^^^^ + | +note: required for `Box>` to implement `ParseTokens` + --> $DIR/overflow.rs:12:31 + | +LL | impl ParseTokens for Box { + | ----------- ^^^^^^^^^^^ ^^^^^^ + | | + | unsatisfied trait bound introduced here +note: required because it appears within the type `Element` + --> $DIR/overflow.rs:16:8 + | +LL | struct Element(> as ParseTokens>::Output); + | ^^^^^^^ +note: required by a bound in `ParseTokens` + --> $DIR/overflow.rs:9:1 + | +LL | / trait ParseTokens { +LL | | type Output; +LL | | } + | |_^ required by this bound in `ParseTokens` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0275`. diff --git a/tests/ui/sized-hierarchy/overflow.rs b/tests/ui/sized-hierarchy/overflow.rs new file mode 100644 index 000000000000..e1af4885e539 --- /dev/null +++ b/tests/ui/sized-hierarchy/overflow.rs @@ -0,0 +1,21 @@ +//@ compile-flags: --crate-type=lib +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] check-pass +//@[next] compile-flags: -Znext-solver + +use std::marker::PhantomData; + +trait ParseTokens { + type Output; +} +impl ParseTokens for Box { + type Output = (); +} + +struct Element(> as ParseTokens>::Output); +//[current]~^ ERROR overflow evaluating +impl ParseTokens for Element { +//[current]~^ ERROR overflow evaluating + type Output = (); +}