Auto merge of #83934 - Dylan-DPC:rollup-nw5dadn, r=Dylan-DPC

Rollup of 7 pull requests

Successful merges:

 - #82963 (Move `SharedContext` to `context.rs`)
 - #83829 (rustc_target: Rely on defaults more in target specs)
 - #83895 (Add listing of lints (eg via `-W help`) to rustdoc)
 - #83902 (Update LLVM to support more wasm simd ops)
 - #83903 (Fix typo in TokenStream documentation)
 - #83910 (Update cargo)
 - #83920 (Fix HashMap/HashSet LLDB pretty-printer after hashbrown 0.11.0)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

compiler/rustc_ast/src/tokenstream.rs

@@ -178,7 +178,7 @@ impl<CTX> HashStable<CTX> for LazyTokenStream {
 /// The goal is for procedural macros to work with `TokenStream`s and `TokenTree`s
 /// instead of a representation of the abstract syntax tree.
 /// Today's `TokenTree`s can still contain AST via `token::Interpolated` for
-/// backwards compatability.
+/// backwards compatibility.
 #[derive(Clone, Debug, Default, Encodable, Decodable)]
 pub struct TokenStream(pub(crate) Lrc<Vec<TreeAndSpacing>>);
 

compiler/rustc_driver/src/lib.rs

@@ -845,7 +845,8 @@ the command line flag directly.
     );
 }
 
-fn describe_lints(sess: &Session, lint_store: &LintStore, loaded_plugins: bool) {
+/// Write to stdout lint command options, together with a list of all available lints
+pub fn describe_lints(sess: &Session, lint_store: &LintStore, loaded_plugins: bool) {
     println!(
         "
 Available lint options:

compiler/rustc_target/src/spec/apple_base.rs

@@ -1,6 +1,6 @@
 use std::env;
 
-use crate::spec::{LinkArgs, SplitDebuginfo, TargetOptions};
+use crate::spec::{SplitDebuginfo, TargetOptions};
 
 pub fn opts(os: &str) -> TargetOptions {
     // ELF TLS is only available in macOS 10.7+. If you try to compile for 10.6
@@ -27,10 +27,8 @@ pub fn opts(os: &str) -> TargetOptions {
         is_like_osx: true,
         dwarf_version: Some(2),
         has_rpath: true,
-        dll_prefix: "lib".to_string(),
         dll_suffix: ".dylib".to_string(),
         archive_format: "darwin".to_string(),
-        pre_link_args: LinkArgs::new(),
         has_elf_tls: version >= (10, 7),
         abi_return_struct_as_int: true,
         emit_debug_gdb_scripts: false,

compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabi.rs

@@ -13,7 +13,6 @@ pub fn target() -> Target {
 
         options: TargetOptions {
             features: "+v7,+thumb2,+soft-float,-neon".to_string(),
-            cpu: "generic".to_string(),
             max_atomic_width: Some(64),
             unsupported_abis: super::arm_base::unsupported_abis(),
             mcount: "\u{1}__gnu_mcount_nc".to_string(),

compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabihf.rs

@@ -14,7 +14,6 @@ pub fn target() -> Target {
         options: TargetOptions {
             // Info about features at https://wiki.debian.org/ArmHardFloatPort
             features: "+v7,+vfp3,-d32,+thumb2,-neon".to_string(),
-            cpu: "generic".to_string(),
             max_atomic_width: Some(64),
             unsupported_abis: super::arm_base::unsupported_abis(),
             mcount: "\u{1}__gnu_mcount_nc".to_string(),

compiler/rustc_target/src/spec/armv7_unknown_linux_musleabi.rs

@@ -18,7 +18,6 @@ pub fn target() -> Target {
 
         options: TargetOptions {
             features: "+v7,+thumb2,+soft-float,-neon".to_string(),
-            cpu: "generic".to_string(),
             max_atomic_width: Some(64),
             unsupported_abis: super::arm_base::unsupported_abis(),
             mcount: "\u{1}mcount".to_string(),

compiler/rustc_target/src/spec/armv7_unknown_linux_musleabihf.rs

@@ -17,7 +17,6 @@ pub fn target() -> Target {
         // target.
         options: TargetOptions {
             features: "+v7,+vfp3,-d32,+thumb2,-neon".to_string(),
-            cpu: "generic".to_string(),
             max_atomic_width: Some(64),
             unsupported_abis: super::arm_base::unsupported_abis(),
             mcount: "\u{1}mcount".to_string(),

compiler/rustc_target/src/spec/armv7_unknown_netbsd_eabihf.rs

@@ -11,7 +11,6 @@ pub fn target() -> Target {
         options: TargetOptions {
             env: "eabihf".to_string(),
             features: "+v7,+vfp3,-d32,+thumb2,-neon".to_string(),
-            cpu: "generic".to_string(),
             max_atomic_width: Some(64),
             unsupported_abis: super::arm_base::unsupported_abis(),
             mcount: "__mcount".to_string(),

compiler/rustc_target/src/spec/armv7_wrs_vxworks_eabihf.rs

@@ -10,7 +10,6 @@ pub fn target() -> Target {
         options: TargetOptions {
             // Info about features at https://wiki.debian.org/ArmHardFloatPort
             features: "+v7,+vfp3,-d32,+thumb2,-neon".to_string(),
-            cpu: "generic".to_string(),
             max_atomic_width: Some(64),
             unsupported_abis: super::arm_base::unsupported_abis(),
             ..base

compiler/rustc_target/src/spec/avr_gnu_base.rs

@@ -15,11 +15,8 @@ pub fn target(target_cpu: String) -> Target {
             exe_suffix: ".elf".to_string(),
 
             linker: Some("avr-gcc".to_owned()),
-            dynamic_linking: false,
             executables: true,
             linker_is_gnu: true,
-            has_rpath: false,
-            position_independent_executables: false,
             eh_frame_header: false,
             pre_link_args: vec![(LinkerFlavor::Gcc, vec![format!("-mmcu={}", target_cpu)])]
                 .into_iter()