Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/ui/lint/issue-83477.stderr b/tests/ui/lint/issue-83477.stderr
new file mode 100644
index 000000000..f824fc09e
--- /dev/null
+++ b/tests/ui/lint/issue-83477.stderr
@@ -0,0 +1,30 @@
+warning: unknown lint: `rustc::foo::bar::default_hash_types`
+  --> $DIR/issue-83477.rs:5:9
+   |
+LL | #[allow(rustc::foo::bar::default_hash_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `rustc::default_hash_types`
+   |
+   = note: `#[warn(unknown_lints)]` on by default
+
+warning: unknown lint: `rustc::foo::default_hash_types`
+  --> $DIR/issue-83477.rs:9:9
+   |
+LL | #[allow(rustc::foo::default_hash_types)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `rustc::default_hash_types`
+
+warning: prefer `FxHashMap` over `HashMap`, it has better performance
+  --> $DIR/issue-83477.rs:14:13
+   |
+LL |     let _ = std::collections::HashMap::<String, String>::new();
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: a `use rustc_data_structures::fx::FxHashMap` may be necessary
+note: the lint level is defined here
+  --> $DIR/issue-83477.rs:3:9
+   |
+LL | #![warn(rustc::internal)]
+   |         ^^^^^^^^^^^^^^^
+   = note: `#[warn(rustc::default_hash_types)]` implied by `#[warn(rustc::internal)]`
+
+warning: 3 warnings emitted
+