Rollup merge of #141568 - onur-ozkan:141393-fix, r=Kobzol

dist: make sure llvm-project submodule is present
Zero-config `x install` fails when bootstrap tries to copy files from the LLVM submodule because it's not properly initialized/handled. This diff handles that.
Fixes#141393

Author: compiler-errors

src/bootstrap/src/core/build_steps/dist.rs

@@ -2282,6 +2282,10 @@ impl Step for LlvmTools {
 }
 }
 
+if !builder.config.dry_run(){
+ builder.require_submodule("src/llvm-project",None);
+}
+
  builder.ensure(crate::core::build_steps::llvm::Llvm{ target });
 
 letmut tarball = Tarball::new(builder,"llvm-tools",&target.triple);
@@ -2400,6 +2404,10 @@ impl Step for RustDev {
 }
 }
 
+if !builder.config.dry_run(){
+ builder.require_submodule("src/llvm-project",None);
+}
+
 letmut tarball = Tarball::new(builder,"rust-dev",&target.triple);
  tarball.set_overlay(OverlayKind::Llvm);
 // LLVM requires a shared object symlink to exist on some platforms.