skip in-tree compiler build for llvm-bitcode-linker if ci-rustc is on

Signed-off-by: onur-ozkan <work@onurozkan.dev>

Author: onur-ozkan

src/bootstrap/src/core/build_steps/tool.rs

@@ -872,8 +872,11 @@ impl Step for LlvmBitcodeLinker {
 fnrun(self,builder:&Builder<'_>) -> PathBuf{
 let bin_name = "llvm-bitcode-linker";
 
- builder.ensure(compile::Std::new(self.compiler,self.compiler.host));
- builder.ensure(compile::Rustc::new(self.compiler,self.target));
+// If enabled, use ci-rustc and skip building the in-tree compiler.
+if !builder.download_rustc(){
+ builder.ensure(compile::Std::new(self.compiler,self.compiler.host));
+ builder.ensure(compile::Rustc::new(self.compiler,self.target));
+}
 
 let cargo = prepare_tool_cargo(
  builder,