Finish rustdoc error improvement

Author: GuillaumeGomez

src/librustdoc/config.rs

@@ -311,7 +311,10 @@ impl RenderOptions {
 impl Options {
     /// Parses the given command-line for options. If an error message or other early-return has
     /// been printed, returns `Err` with the exit code.
-    pub(crate) fn from_matches(matches: &getopts::Matches, args: Vec<String>) -> Result<Options, i32> {
+    pub(crate) fn from_matches(
+        matches: &getopts::Matches,
+        args: Vec<String>,
+    ) -> Result<Options, i32> {
         let args = &args[1..];
         // Check for unstable options.
         nightly_options::check_nightly_options(matches, &opts());
@@ -432,7 +435,6 @@ impl Options {
             }
             return Err(0);
         }
-        let (_lint_opts, _describe_lints, _lint_cap) = get_cmd_lint_options(matches, error_format);
 
         if matches.free.is_empty() {
             diag.struct_err("missing file operand").emit();

src/test/run-make/issue-88756-default-output/Makefile

@@ -1,4 +1,4 @@
 -include ../../run-make-fulldeps/tools.mk
 
 all:
-	$(BARE_RUSTDOC) 2>&1 | diff - output-default.stdout
+	$(BARE_RUSTDOC) 2>&1 | sed -E 's@/nightly/|/beta/|/stable/|/1\.[0-9]+\.[0-9]+/@/$$CHANNEL/@g' | diff - output-default.stdout

src/test/run-make/issue-88756-default-output/output-default.stdout

@@ -190,4 +190,4 @@ Options:
 
     @path               Read newline separated options from `path`
 
-More information available at https://doc.rust-lang.org/nightly/rustdoc/what-is-rustdoc.html
+More information available at https://doc.rust-lang.org/$CHANNEL/rustdoc/what-is-rustdoc.html

src/test/run-make/issue-88756-opt-help/output-default.stdout

@@ -3,10 +3,7 @@
     -W               assume-incomplete-release=val -- make cfg(version) treat the current version as incomplete (default: no)
     -W                            asm-comments=val -- generate comments into the assembly (may change behavior) (default: no)
     -W                       assert-incr-state=val -- assert that the incremental cache is in given state: either `loaded` or `not-loaded`.
-    -W                                ast-json=val -- print the AST as JSON and halt (default: no)
-    -W                       ast-json-noexpand=val -- print the pre-expansion AST as JSON and halt (default: no)
     -W                      binary-dep-depinfo=val -- include artifacts (sysroot, crate dependencies) used during compilation in dep-info (default: no)
-    -W                                borrowck=val -- select which borrowck is used (`mir` or `migrate`) (default: `migrate`)
     -W                       branch-protection=val -- set options for branch target identification and pointer authentication on AArch64
     -W                           cf-protection=val -- instrument control-flow architecture protection
     -W               cgu-partitioning-strategy=val -- the codegen unit partitioning strategy to use
@@ -133,12 +130,17 @@
         for example: `-Z self-profile-events=default,query-keys`
         all options: none, all, default, generic-activity, query-provider, query-cache-hit
                      query-blocked, incr-cache-load, incr-result-hashing, query-keys, function-args, args, llvm, artifact-sizes
+    -W                    self-profile-counter=val -- counter used by the self profiler (default: `wall-time`), one of:
+        `wall-time` (monotonic clock, i.e. `std::time::Instant`)
+        `instructions:u` (retired instructions, userspace-only)
+        `instructions-minus-irqs:u` (subtracting hardware interrupt counts for extra accuracy)
     -W                          share-generics=val -- make the current crate share its generic instantiations
     -W                               show-span=val -- show spans for compiler debugging (expr|pat|ty)
     -W                              span-debug=val -- forward proc_macro::Span's `Debug` impl to `Span`
     -W                       span-free-formats=val -- exclude spans when debug-printing compiler state (default: no)
     -W                      src-hash-algorithm=val -- hash algorithm of source files in debug info (`md5`, `sha1`, or `sha256`)
     -W                         stack-protector=val -- control stack smash protection strategy (`rustc --print stack-protector-strategies` for details)
+    -W                      strict-init-checks=val -- control if mem::uninitialized and mem::zeroed panic on more UB
     -W                                   strip=val -- tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`)
     -W                        split-dwarf-kind=val -- split dwarf variant (only if -Csplit-debuginfo is enabled and on relevant platform)
         (default: `split`)
@@ -164,6 +166,7 @@
     -W                             time-passes=val -- measure time of each rustc pass (default: no)
     -W                               tls-model=val -- choose the TLS model to use (`rustc --print tls-models` for details)
     -W                            trace-macros=val -- for every macro invocation, print its name and arguments (default: no)
+    -W   translate-remapped-path-to-local-path=val -- translate remapped paths into local paths when possible (default: yes)
     -W                        trap-unreachable=val -- generate trap instructions for unreachable intrinsics (default: use target setting, usually yes)
     -W                        treat-err-as-bug=val -- treat error number `val` that occurs as bug
     -W                   trim-diagnostic-paths=val -- in diagnostics, use heuristics to shorten paths referring to items
@@ -186,4 +189,5 @@
     -W                            validate-mir=val -- validate MIR after each transformation
     -W                                 verbose=val -- in general, enable more debug printouts (default: no)
     -W                          verify-llvm-ir=val -- verify LLVM IR (default: no)
+    -W            virtual-function-elimination=val -- enables dead virtual function elimination optimization. Requires `-Clto[=[fat,yes]]`
     -W                         wasi-exec-model=val -- whether to build a wasi command or reactor