rustbuild: Remove LLD flavor workaround for MSVC

Author: petrochenkov

src/bootstrap/bin/rustc.rs

@@ -134,11 +134,6 @@ fn main() {
             cmd.arg(format!("-Clinker={}", host_linker));
         }
 
-        // Override linker flavor if necessary.
-        if let Ok(host_linker_flavor) = env::var("RUSTC_HOST_LINKER_FLAVOR") {
-            cmd.arg(format!("-Clinker-flavor={}", host_linker_flavor));
-        }
-
         if let Ok(s) = env::var("RUSTC_HOST_CRT_STATIC") {
             if s == "true" {
                 cmd.arg("-C").arg("target-feature=+crt-static");

src/bootstrap/builder.rs

@@ -969,27 +969,11 @@ impl<'a> Builder<'a> {
         // See https://github.com/rust-lang/rust/issues/68647.
         let can_use_lld = mode != Mode::Std;
 
-        // FIXME: The beta compiler doesn't pick the `lld-link` flavor for `*-pc-windows-msvc`
-        // Remove `RUSTC_HOST_LINKER_FLAVOR` when this is fixed
-        let lld_linker_flavor = |linker: &Path, target: Interned<String>| {
-            compiler.stage == 0
-                && linker.file_name() == Some(OsStr::new("rust-lld"))
-                && target.contains("pc-windows-msvc")
-        };
-
         if let Some(host_linker) = self.linker(compiler.host, can_use_lld) {
-            if lld_linker_flavor(host_linker, compiler.host) {
-                cargo.env("RUSTC_HOST_LINKER_FLAVOR", "lld-link");
-            }
-
             cargo.env("RUSTC_HOST_LINKER", host_linker);
         }
 
         if let Some(target_linker) = self.linker(target, can_use_lld) {
-            if lld_linker_flavor(target_linker, target) {
-                rustflags.arg("-Clinker-flavor=lld-link");
-            }
-
             let target = crate::envify(&target);
             cargo.env(&format!("CARGO_TARGET_{}_LINKER", target), target_linker);
         }