1 files changed, 17 insertions, 16 deletions

diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs
index d265277b4..cc0cf12bd 100644
--- a/src/bootstrap/lib.rs
+++ b/src/bootstrap/lib.rs
@@ -112,6 +112,7 @@ use std::path::{Path, PathBuf};
 use std::process::Command;
 use std::str;
 
+use config::Target;
 use filetime::FileTime;
 use once_cell::sync::OnceCell;
 
@@ -186,6 +187,9 @@ const LLVM_TOOLS: &[&str] = &[
     "opt",           // used to optimize LLVM bytecode
 ];
 
+/// LLD file names for all flavors.
+const LLD_FILE_NAMES: &[&str] = &["ld.lld", "ld64.lld", "lld-link", "wasm-ld"];
+
 pub const VERSION: usize = 2;
 
 /// Extra --check-cfg to add when building
@@ -273,7 +277,6 @@ pub struct Build {
     bootstrap_out: PathBuf,
     rust_info: channel::GitInfo,
     cargo_info: channel::GitInfo,
-    rls_info: channel::GitInfo,
     rust_analyzer_info: channel::GitInfo,
     clippy_info: channel::GitInfo,
     miri_info: channel::GitInfo,
@@ -412,7 +415,6 @@ impl Build {
         let ignore_git = config.ignore_git;
         let rust_info = channel::GitInfo::new(ignore_git, &src);
         let cargo_info = channel::GitInfo::new(ignore_git, &src.join("src/tools/cargo"));
-        let rls_info = channel::GitInfo::new(ignore_git, &src.join("src/tools/rls"));
         let rust_analyzer_info =
             channel::GitInfo::new(ignore_git, &src.join("src/tools/rust-analyzer"));
         let clippy_info = channel::GitInfo::new(ignore_git, &src.join("src/tools/clippy"));
@@ -490,7 +492,6 @@ impl Build {
 
             rust_info,
             cargo_info,
-            rls_info,
             rust_analyzer_info,
             clippy_info,
             miri_info,
@@ -542,7 +543,6 @@ impl Build {
         let rust_submodules = [
             "src/tools/rust-installer",
             "src/tools/cargo",
-            "src/tools/rls",
             "src/tools/miri",
             "library/backtrace",
             "library/stdarch",
@@ -843,12 +843,13 @@ impl Build {
     ///
     /// If no custom `llvm-config` was specified then Rust's llvm will be used.
     fn is_rust_llvm(&self, target: TargetSelection) -> bool {
-        if self.config.llvm_from_ci && target == self.config.build {
-            return true;
-        }
-
         match self.config.target_config.get(&target) {
-            Some(ref c) => c.llvm_config.is_none(),
+            Some(Target { llvm_has_rust_patches: Some(patched), .. }) => *patched,
+            Some(Target { llvm_config, .. }) => {
+                // If the user set llvm-config we assume Rust is not patched,
+                // but first check to see if it was configured by llvm-from-ci.
+                (self.config.llvm_from_ci && target == self.config.build) || llvm_config.is_none()
+            }
             None => true,
         }
     }
@@ -1013,7 +1014,9 @@ impl Build {
     /// Returns the number of parallel jobs that have been configured for this
     /// build.
     fn jobs(&self) -> u32 {
-        self.config.jobs.unwrap_or_else(|| num_cpus::get() as u32)
+        self.config.jobs.unwrap_or_else(|| {
+            std::thread::available_parallelism().map_or(1, std::num::NonZeroUsize::get) as u32
+        })
     }
 
     fn debuginfo_map_to(&self, which: GitRepo) -> Option<String> {
@@ -1636,14 +1639,12 @@ fn chmod(_path: &Path, _perms: u32) {}
 /// If code is not 0 (successful exit status), exit status is 101 (rust's default error code.)
 /// If the test is running and code is an error code, it will cause a panic.
 fn detail_exit(code: i32) -> ! {
-    // Successful exit
-    if code == 0 {
-        std::process::exit(0);
-    }
-    if cfg!(test) {
+    // if in test and code is an error code, panic with status code provided
+    if cfg!(test) && code != 0 {
         panic!("status code: {}", code);
     } else {
-        std::panic::resume_unwind(Box::new(code));
+        //otherwise,exit with provided status code
+        std::process::exit(code);
     }
 }