Auto merge of #140138 - ChrisDenton:rollup-zw7jibi, r=ChrisDenton

Rollup of 5 pull requests

Successful merges:

 - #139981 (Don't compute name of associated item if it's an RPITIT)
 - #140077 (Construct OutputType using macro and print [=FILENAME] help info)
 - #140081 (Update `libc` to 0.2.172)
 - #140094 (Improve diagnostics for pointer arithmetic += and -= (fixes #137391))
 - #140128 (Use correct annotation for CSS pseudo elements)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/ui/impl-trait/in-trait/dont-probe-missing-item-name-2.rs b/tests/ui/impl-trait/in-trait/dont-probe-missing-item-name-2.rs
new file mode 100644
index 00000000000..e8329e3694d
--- /dev/null
+++ b/tests/ui/impl-trait/in-trait/dont-probe-missing-item-name-2.rs
@@ -0,0 +1,12 @@
+trait Foo {
+    fn rpitit() -> impl Sized;
+}
+
+// Ensure that we don't try to probe the name of the RPITIT when looking for
+// fixes to suggest for the redundant generic below.
+
+fn test<T: Foo<i32, Assoc = i32>>() {}
+//~^ ERROR trait takes 0 generic arguments but 1 generic argument was supplied
+//~| ERROR associated type `Assoc` not found for `Foo`
+
+fn main() {}