Fix some links

src/bug-fix-procedure.md

@@ -304,7 +304,7 @@ self.tcx.sess.add_lint(lint::builtin::OVERLAPPING_INHERENT_IMPLS,
 We want to convert this into an error. In some cases, there may be an
 existing error for this scenario. In others, we will need to allocate a
 fresh diagnostic code.  [Instructions for allocating a fresh diagnostic
-code can be found here.](./diagnostics/diagnostic-codes.md) You may want
+code can be found here.](./diagnostics/error-codes.md) You may want
 to mention in the extended description that the compiler behavior
 changed on this point, and include a reference to the tracking issue for
 the change.

src/building/how-to-build-and-run.md

@@ -104,8 +104,8 @@ and `src/tools` directories. So, you can simply run `x.py test tidy` instead of
 
 [rust-analyzer]: suggested.html#configuring-rust-analyzer-for-rustc
 
-See the chapters on [building](how-to-build-and-run),
-[testing](../tests/intro), and [rustdoc](../rustdoc) for more details.
+See the chapters on
+[testing](../tests/running.md) and [rustdoc](../rustdoc.md) for more details.
 
 ### Building the compiler
 

src/building/suggested.md

@@ -79,7 +79,7 @@ opened when this file is detected.
 
 If you're running `coc.nvim`, you can use `:CocLocalConfig` to create a
 `.vim/coc-settings.json` and copy the settings from 
-[this file](https://github.com/rust-lang/rust/blob/master/src/etc/vscode_settings.json).
+[this file](https://github.com/rust-lang/rust/blob/master/src/etc/rust_analyzer_settings.json).
 
 Another way is without a plugin, and creating your own logic in your configuration. To do this you 
 must translate the JSON to Lua yourself. The translation is 1:1 and fairly straight-forward. It 
@@ -348,4 +348,4 @@ Zsh support will also be included once issues with [`clap_complete`](https://cra
 You can use `source ./src/etc/completions/x.py.<extension>`
 to load completions for your shell of choice,
 or `source .\src\etc\completions\x.py.ps1` for PowerShell.
-Adding this to your shell's startup script (e.g. `.bashrc`) will automatically load this completion.
+Adding this to your shell's startup script (e.g. `.bashrc`) will automatically load this completion.

src/closure.md

@@ -115,10 +115,10 @@ Let's start with defining a term that we will be using quite a bit in the rest o
 *upvar*. An **upvar** is a variable that is local to the function where the closure is defined. So,
 in the above examples, **x** will be an upvar to the closure. They are also sometimes referred to as
 the *free variables* meaning they are not bound to the context of the closure.
-[`compiler/rustc_middle/src/ty/query/mod.rs`][upvars] defines a query called *upvars_mentioned*
+[`compiler/rustc_passes/src/upvars.rs`][upvars] defines a query called *upvars_mentioned*
 for this purpose.
 
-[upvars]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_query_impl/queries/struct.upvars_mentioned.html
+[upvars]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_passes/upvars/index.html
 
 Other than lazy invocation, one other thing that distinguishes a closure from a
 normal function is that it can use the upvars. It borrows these upvars from its surrounding

src/compiler-src.md

@@ -195,11 +195,8 @@ These include:
   run a lot of tests on a lot of platforms.
 - [`src/doc`]: Various documentation, including submodules for a few books.
 - [`src/etc`]: Miscellaneous utilities.
-- [`src/tools/rustc-workspace-hack`], and others: Various workarounds to make
-  cargo work with bootstrapping.
 - And more...
 
 [`src/ci`]: https://github.com/rust-lang/rust/tree/master/src/ci
 [`src/doc`]: https://github.com/rust-lang/rust/tree/master/src/doc
 [`src/etc`]: https://github.com/rust-lang/rust/tree/master/src/etc
-[`src/tools/rustc-workspace-hack`]: https://github.com/rust-lang/rust/tree/master/src/tools/rustc-workspace-hack

src/contributing.md

@@ -181,6 +181,8 @@ below][break]) for some PRs.
 [r?]: https://github.com/rust-lang/rust/pull/78133#issuecomment-712692371
 [#t-release/triage]: https://rust-lang.zulipchat.com/#narrow/stream/242269-t-release.2Ftriage
 [break]: #breaking-changes
+[crater]: tests/crater.md
+
 ### CI
 
 In addition to being reviewed by a human, pull requests are automatically tested

src/diagnostics/translation.md

@@ -87,9 +87,9 @@ information that needs to be provided by the code to do so.
 
 ### Compile-time validation and typed identifiers
 rustc's Fluent resources for the default locale (`en-US`) are in the
-[`compiler/rustc_error_messages/locales/en-US`] directory. Currently, each crate
-which defines translatable diagnostics has its own Fluent resource, such as
-`parser.ftl` or `typeck.ftl`.
+[`compiler/rustc_error_messages/messages.ftl`] file. Currently, each crate
+which defines translatable diagnostics has its own Fluent resource in
+a file named `messages.ftl`.
 
 rustc's `fluent_messages` macro performs compile-time validation of Fluent
 resources and generates code to make it easier to refer to Fluent messages in
@@ -240,5 +240,5 @@ won't fail. Bundle loading can fail if a requested locale is missing, Fluent
 files are malformed, or a message is duplicated in multiple resources.
 
 [Fluent]: https://projectfluent.org
-[`compiler/rustc_error_messages/locales/en-US`]: https://github.com/rust-lang/rust/tree/master/compiler/rustc_error_messages/locales/en-US
+[`compiler/rustc_error_messages/messages.ftl`]: https://github.com/rust-lang/rust/blob/HEAD/compiler/rustc_error_messages/messages.ftl
 [`rustc_error_messages::DiagnosticMessage`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_error_messages/enum.DiagnosticMessage.html

src/fuzzing.md

@@ -36,7 +36,7 @@ project, please read this guide before reporting fuzzer-generated bugs!
 If you're not sure whether or not an ICE is a duplicate of one that's already
 been reported, please go ahead and report it and link to issues you think might
 be related. In general, ICEs on the same line but with different *query stacks*
-are usually distinct bugs. For example, [#109020][#109202] and [#109129][#109129]
+are usually distinct bugs. For example, [#109020][#109020] and [#109129][#109129]
 had similar error messages:
 
 ```
@@ -146,4 +146,4 @@ ICEs that require debug assertions to reproduce should be tagged
 [glacier]: https://github.com/rust-lang/glacier
 [fuzz-rustc]: https://github.com/dwrensha/fuzz-rustc
 [icemaker]: https://github.com/matthiaskrgr/icemaker/
-[tree-splicer]: https://github.com/langston-barrett/tree-splicer/
+[tree-splicer]: https://github.com/langston-barrett/tree-splicer/

src/identifiers.md

@@ -70,7 +70,7 @@ See the [HIR chapter][hir-map] for more detailed information.
 - [`Local`] identifies a local variable in a function. Its associated data is in
   [`LocalDecl`], which can be retrieved by indexing into [`Body.local_decls`].
 
-- [`Field`] identifies a struct's, union's, or enum variant's field. It is used
+- [`FieldIdx`] identifies a struct's, union's, or enum variant's field. It is used
   as a "projection" in [`Place`].
 
 - [`SourceScope`] identifies a name scope in the original source code. Used for
@@ -96,7 +96,7 @@ See the [HIR chapter][hir-map] for more detailed information.
 [`Local`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/mir/struct.Local.html
 [`LocalDecl`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/mir/struct.LocalDecl.html
 [`Body.local_decls`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/mir/struct.Body.html#structfield.local_decls
-[`Field`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/mir/struct.Field.html
+[`FieldIdx`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_abi/struct.FieldIdx.html
 [`Place`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/mir/struct.Place.html
 [`SourceScope`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/mir/struct.SourceScope.html
 [`SourceScopeData`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/mir/struct.SourceScopeData.html

src/llvm-coverage-instrumentation.md

@@ -466,7 +466,7 @@ function--[`bcb_from_bb()`][bcb-from-bb]--to look up a `BasicCoverageBlock` from
 [graph-traits]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_data_structures/graph/index.html#traits
 [mir-dev-guide]: mir/index.md
 [compute-basic-coverage-blocks]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_mir_transform/coverage/graph/struct.CoverageGraph.html#method.compute_basic_coverage_blocks
-[simplify-cfg]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_mir_transform/simplify/struct.SimplifyCfg.html
+[simplify-cfg]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_mir_transform/simplify/enum.SimplifyCfg.html
 [rust-lang/rust#78544]: https://github.com/rust-lang/rust/issues/78544
 [mir-debugging]: mir/debugging.md
 [bcb-from-bb]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_mir_transform/coverage/graph/struct.CoverageGraph.html#method.bcb_from_bb

src/mir/optimizations.md

@@ -45,7 +45,7 @@ optimizes it, and returns the improved MIR.
 4. Implement a new optimization in [`compiler/rustc_mir_transform/src`].
    The fastest and easiest way to do this is to
 
-   1. pick a small optimization (such as [`no_landing_pads`]) and copy it
+   1. pick a small optimization (such as [`remove_storage_markers`]) and copy it
       to a new file,
    2. add your optimization to one of the lists in the
       [`run_optimization_passes()`] function,
@@ -72,8 +72,7 @@ If you have any questions along the way, feel free to ask in
 
 [mir-opt-test-readme]: https://github.com/rust-lang/rust/blob/master/tests/mir-opt/README.md
 [`compiler/rustc_mir_transform/src`]: https://github.com/rust-lang/rust/tree/master/compiler/rustc_mir_transform/src
-<!--- TODO: Change NoLandingPads. [#1232](https://github.com/rust-lang/rustc-dev-guide/issues/1232) -->
-[`no_landing_pads`]: https://github.com/rust-lang/rust/blob/master/compiler/rustc_mir_transform/src/no_landing_pads.rs
+[`remove_storage_markers`]: https://github.com/rust-lang/rust/blob/HEAD/compiler/rustc_mir_transform/src/remove_storage_markers.rs
 [`run_optimization_passes()`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_mir_transform/fn.run_optimization_passes.html
 
 ## Defining optimization passes

src/notification-groups/cleanup-crew.md

@@ -39,7 +39,7 @@ are a few:
 
 * The [rust-reduce](https://github.com/jethrogb/rust-reduce) tool can try to reduce
   code automatically.
-  * The [C-reduce](https://embed.cs.utah.edu/creduce/) tool also works
+  * The [C-reduce](https://github.com/csmith-project/creduce) tool also works
     on Rust code, though it requires that you start from a single
     file. (XXX link to some post explaining how to do it?)
 * pnkfelix's [Rust Bug Minimization Patterns] blog post

src/query.md

@@ -103,7 +103,7 @@ When the tcx is created, it is given the providers by its creator using
 the [`Providers`][providers_struct] struct. This struct is generated by
 the macros here, but it is basically a big list of function pointers:
 
-[providers_struct]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/query/struct.Providers.html
+[providers_struct]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/query/struct.Providers.html
 
 ```rust,ignore
 struct Providers {

src/rustc-driver.md

@@ -32,7 +32,7 @@ as well as allowing some custom code run after different phases of the compilati
 
 
 [cb]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver/trait.Callbacks.html
-[rd_rc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver/fn.run_compiler.html
+[rd_rc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver_impl/fn.run_compiler.html
 [i_rc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/interface/fn.run_compiler.html
 [example]: https://github.com/rust-lang/rustc-dev-guide/blob/master/examples/rustc-driver-example.rs
 [`rustc_interface`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/index.html

src/rustdoc-internals.md

@@ -173,6 +173,8 @@ running the Markdown parser. There's also a function in here
 (`find_testable_code`) that specifically scans for Rust code blocks so the
 test-runner code can find all the doctests in the crate.
 
+[Askama]: https://docs.rs/askama/latest/askama/
+
 ### From soup to nuts
 
 (alternate title: ["An unbroken thread that stretches from those first `Cell`s

src/solve/trait-solving.md

@@ -111,8 +111,8 @@ Two types being equal in the type system must mean that they have the same `Type
 
 
 [solve]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_trait_selection/solve/index.html
-[`Goal`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_trait_selection/solve/struct.Goal.html
+[`Goal`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_trait_selection/traits/solve/struct.Goal.html
 [`Predicate`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/struct.Predicate.html
 [`Candidate`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_trait_selection/solve/assembly/struct.Candidate.html
 [`CandidateSource`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_trait_selection/solve/assembly/enum.CandidateSource.html
-[`CanonicalResponse`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_trait_selection/solve/type.CanonicalResponse.html
+[`CanonicalResponse`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_trait_selection/traits/solve/type.CanonicalResponse.html

src/tests/compiletest.md

@@ -380,7 +380,7 @@ There is a [`tools.mk`] Makefile which you can include which provides a bunch of
 utilities to make it easier to run commands and compare outputs.
 Take a look at some of the other tests for some examples on how to get started.
 
-[`tools.mk`]: https://github.com/rust-lang/rust/blob/master/tests/run-make-fulldeps/tools.mk
+[`tools.mk`]: https://github.com/rust-lang/rust/blob/master/tests/run-make/tools.mk
 [`tests/run-make`]: https://github.com/rust-lang/rust/tree/master/tests/run-make