Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 73 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-20413.stderr b/tests/ui/issues/issue-20413.stderr
new file mode 100644
index 000000000..202e84631
--- /dev/null
+++ b/tests/ui/issues/issue-20413.stderr
@@ -0,0 +1,73 @@
+error[E0392]: parameter `T` is never used
+  --> $DIR/issue-20413.rs:6:15
+   |
+LL | struct NoData<T>;
+   |               ^ unused parameter
+   |
+   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
+   = help: if you intended `T` to be a const parameter, use `const T: usize` instead
+
+error[E0275]: overflow evaluating the requirement `NoData<NoData<NoData<NoData<NoData<NoData<NoData<...>>>>>>>: Foo`
+  --> $DIR/issue-20413.rs:9:36
+   |
+LL | impl<T> Foo for T where NoData<T>: Foo {
+   |                                    ^^^
+   |
+   = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_20413`)
+note: required for `NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<...>>>>>>>>>>>>>` to implement `Foo`
+  --> $DIR/issue-20413.rs:9:9
+   |
+LL | impl<T> Foo for T where NoData<T>: Foo {
+   |         ^^^     ^                  --- unsatisfied trait bound introduced here
+   = note: the full type name has been written to '$TEST_BUILD_DIR/issues/issue-20413/issue-20413.long-type-hash.txt'
+   = note: 127 redundant requirements hidden
+   = note: required for `NoData<T>` to implement `Foo`
+
+error[E0275]: overflow evaluating the requirement `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<...>>>>>>>: Baz`
+  --> $DIR/issue-20413.rs:28:42
+   |
+LL | impl<T> Bar for T where EvenLessData<T>: Baz {
+   |                                          ^^^
+   |
+   = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_20413`)
+note: required for `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<...>>>>>>>` to implement `Bar`
+  --> $DIR/issue-20413.rs:28:9
+   |
+LL | impl<T> Bar for T where EvenLessData<T>: Baz {
+   |         ^^^     ^                        --- unsatisfied trait bound introduced here
+   = note: the full type name has been written to '$TEST_BUILD_DIR/issues/issue-20413/issue-20413.long-type-hash.txt'
+note: required for `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<...>>>>>>>` to implement `Baz`
+  --> $DIR/issue-20413.rs:35:9
+   |
+LL | impl<T> Baz for T where AlmostNoData<T>: Bar {
+   |         ^^^     ^                        --- unsatisfied trait bound introduced here
+   = note: the full type name has been written to '$TEST_BUILD_DIR/issues/issue-20413/issue-20413.long-type-hash.txt'
+   = note: 126 redundant requirements hidden
+   = note: required for `EvenLessData<T>` to implement `Baz`
+
+error[E0275]: overflow evaluating the requirement `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<...>>>>>>>: Bar`
+  --> $DIR/issue-20413.rs:35:42
+   |
+LL | impl<T> Baz for T where AlmostNoData<T>: Bar {
+   |                                          ^^^
+   |
+   = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_20413`)
+note: required for `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<...>>>>>>>` to implement `Baz`
+  --> $DIR/issue-20413.rs:35:9
+   |
+LL | impl<T> Baz for T where AlmostNoData<T>: Bar {
+   |         ^^^     ^                        --- unsatisfied trait bound introduced here
+   = note: the full type name has been written to '$TEST_BUILD_DIR/issues/issue-20413/issue-20413.long-type-hash.txt'
+note: required for `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<...>>>>>>>` to implement `Bar`
+  --> $DIR/issue-20413.rs:28:9
+   |
+LL | impl<T> Bar for T where EvenLessData<T>: Baz {
+   |         ^^^     ^                        --- unsatisfied trait bound introduced here
+   = note: the full type name has been written to '$TEST_BUILD_DIR/issues/issue-20413/issue-20413.long-type-hash.txt'
+   = note: 126 redundant requirements hidden
+   = note: required for `AlmostNoData<T>` to implement `Bar`
+
+error: aborting due to 4 previous errors
+
+Some errors have detailed explanations: E0275, E0392.
+For more information about an error, try `rustc --explain E0275`.