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-rw-r--r--src/bootstrap/src/core/build_steps/tool.rs2
-rw-r--r--src/bootstrap/src/lib.rs2
2 files changed, 3 insertions, 1 deletions
diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs
index a0abd439de0..f2c99d4bc32 100644
--- a/src/bootstrap/src/core/build_steps/tool.rs
+++ b/src/bootstrap/src/core/build_steps/tool.rs
@@ -581,7 +581,7 @@ impl Step for Rustdoc {
             if !target_compiler.is_snapshot(builder) {
                 panic!("rustdoc in stage 0 must be snapshot rustdoc");
             }
-            return builder.initial_rustc.with_file_name(exe("rustdoc", target_compiler.host));
+            return builder.initial_rustdoc.clone();
         }
         let target = target_compiler.host;
 
diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs
index d56f35f866c..21c2eb11d9e 100644
--- a/src/bootstrap/src/lib.rs
+++ b/src/bootstrap/src/lib.rs
@@ -154,6 +154,7 @@ pub struct Build {
     targets: Vec<TargetSelection>,
 
     initial_rustc: PathBuf,
+    initial_rustdoc: PathBuf,
     initial_cargo: PathBuf,
     initial_lld: PathBuf,
     initial_relative_libdir: PathBuf,
@@ -354,6 +355,7 @@ impl Build {
             initial_lld,
             initial_relative_libdir,
             initial_rustc: config.initial_rustc.clone(),
+            initial_rustdoc: config.initial_rustc.with_file_name(exe("rustdoc", config.build)),
             initial_cargo: config.initial_cargo.clone(),
             initial_sysroot: config.initial_sysroot.clone(),
             local_rebuild: config.local_rebuild,