Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 15 insertions, 0 deletions

diff --git a/compiler/rustc_error_codes/src/lib.rs b/compiler/rustc_error_codes/src/lib.rs
new file mode 100644
index 000000000..f2432f616
--- /dev/null
+++ b/compiler/rustc_error_codes/src/lib.rs
@@ -0,0 +1,15 @@
+#![deny(rustdoc::invalid_codeblock_attributes)]
+//! This library is used to gather all error codes into one place,
+//! the goal being to make their maintenance easier.
+
+macro_rules! register_diagnostics {
+    ($($ecode:ident: $message:expr,)* ; $($code:ident,)*) => (
+        pub static DIAGNOSTICS: &[(&str, Option<&str>)] = &[
+            $( (stringify!($ecode), Some($message)), )*
+            $( (stringify!($code), None), )*
+        ];
+    )
+}
+
+mod error_codes;
+pub use error_codes::DIAGNOSTICS;