Auto merge of #60025 - JohnTitor:rename-files, r=petrochenkov

Rename files about error codes

fixes #60017

This PR will be failed in tidy.

<details>
<summary>The log is here:</summary>

```
tidy check
tidy error: duplicate error code: 411
tidy error: Documents\GitHub\rust\src\librustc_resolve\diagnostics.rs:83:             __diagnostic_used!(E0411);
tidy error: Documents\GitHub\rust\src\librustc_resolve\diagnostics.rs:84:             err.code(DiagnosticId::Error("E0411".to_owned()));
tidy error: duplicate error code: 424
tidy error: Documents\GitHub\rust\src\librustc_resolve\diagnostics.rs:90:             debug!("smart_resolve_path_fragment: E0424, source={:?}", source);
tidy error: Documents\GitHub\rust\src\librustc_resolve\diagnostics.rs:92:             __diagnostic_used!(E0424);
tidy error: Documents\GitHub\rust\src\librustc_resolve\diagnostics.rs:93:             err.code(DiagnosticId::Error("E0424".to_owned()));
some tidy checks failed
```

</details>

I'd like to fix this but I don't know what to do.
I will work on later. Please let me know if you have any solutions.

r? @petrochenkov

Author: bors

src/doc/rustc-ux-guidelines.md

@@ -61,17 +61,17 @@ for details on how to format and write long error codes.
 
 * All of them are accessible [online](http://doc.rust-lang.org/error-index.html),
   which are auto-generated from rustc source code in different places:
-  [librustc](https://github.com/rust-lang/rust/blob/master/src/librustc/diagnostics.rs),
-  [libsyntax](https://github.com/rust-lang/rust/blob/master/src/libsyntax/diagnostics.rs),
-  [librustc_borrowck](https://github.com/rust-lang/rust/blob/master/src/librustc_borrowck/diagnostics.rs),
-  [librustc_metadata](https://github.com/rust-lang/rust/blob/master/src/librustc_metadata/diagnostics.rs),
-  [librustc_mir](https://github.com/rust-lang/rust/blob/master/src/librustc_mir/diagnostics.rs),
-  [librustc_passes](https://github.com/rust-lang/rust/blob/master/src/librustc_passes/diagnostics.rs),
-  [librustc_privacy](https://github.com/rust-lang/rust/blob/master/src/librustc_privacy/diagnostics.rs),
-  [librustc_resolve](https://github.com/rust-lang/rust/blob/master/src/librustc_resolve/diagnostics.rs),
-  [librustc_codegen_llvm](https://github.com/rust-lang/rust/blob/master/src/librustc_codegen_llvm/diagnostics.rs),
-  [librustc_plugin](https://github.com/rust-lang/rust/blob/master/src/librustc_plugin/diagnostics.rs),
-  [librustc_typeck](https://github.com/rust-lang/rust/blob/master/src/librustc_typeck/diagnostics.rs).
+  [librustc](https://github.com/rust-lang/rust/blob/master/src/librustc/error_codes.rs),
+  [libsyntax](https://github.com/rust-lang/rust/blob/master/src/libsyntax/error_codes.rs),
+  [librustc_borrowck](https://github.com/rust-lang/rust/blob/master/src/librustc_borrowck/error_codes.rs),
+  [librustc_metadata](https://github.com/rust-lang/rust/blob/master/src/librustc_metadata/error_codes.rs),
+  [librustc_mir](https://github.com/rust-lang/rust/blob/master/src/librustc_mir/error_codes.rs),
+  [librustc_passes](https://github.com/rust-lang/rust/blob/master/src/librustc_passes/error_codes.rs),
+  [librustc_privacy](https://github.com/rust-lang/rust/blob/master/src/librustc_privacy/error_codes.rs),
+  [librustc_resolve](https://github.com/rust-lang/rust/blob/master/src/librustc_resolve/error_codes.rs),
+  [librustc_codegen_llvm](https://github.com/rust-lang/rust/blob/master/src/librustc_codegen_llvm/error_codes.rs),
+  [librustc_plugin](https://github.com/rust-lang/rust/blob/master/src/librustc_plugin/error_codes.rs),
+  [librustc_typeck](https://github.com/rust-lang/rust/blob/master/src/librustc_typeck/error_codes.rs).
 * Explanations have full markdown support. Use it, especially to highlight
 code with backticks.
 * When talking about the compiler, call it `the compiler`, not `Rust` or

src/librustc/diagnostics.rs renamed to src/librustc/error_codes.rs

@@ -99,7 +99,7 @@ mod macros;
 
 // N.B., this module needs to be declared first so diagnostics are
 // registered before they are used.
-pub mod diagnostics;
+pub mod error_codes;
 
 #[macro_use]
 pub mod query;

src/librustc/lib.rs

@@ -70,7 +70,7 @@ use rustc_mir::monomorphize;
 use rustc_codegen_ssa::ModuleCodegen;
 use rustc_codegen_utils::codegen_backend::CodegenBackend;
 
-mod diagnostics;
+mod error_codes;
 
 mod back {
     mod archive;

src/librustc_borrowck/diagnostics.rs renamed to src/librustc_borrowck/error_codes.rs

@@ -41,7 +41,7 @@ use syntax_pos::symbol::Symbol;
 
 // N.B., this module needs to be declared first so diagnostics are
 // registered before they are used.
-mod diagnostics;
+mod error_codes;
 
 pub mod common;
 pub mod traits;

src/librustc_codegen_llvm/diagnostics.rs renamed to src/librustc_codegen_llvm/error_codes.rs

@@ -25,7 +25,7 @@
 #[macro_use]
 extern crate rustc;
 
-mod diagnostics;
+mod error_codes;
 mod nonstandard_style;
 pub mod builtin;
 mod types;