From 86e2a07a13ce7fd6f68c71802db8f8c8eebe0ad0 Mon Sep 17 00:00:00 2001
From: Maksim Bondarenkov <maksapple2306@gmail.com>
Date: Sat, 12 Apr 2025 10:52:46 +0300
Subject: [PATCH] opt-dist: use executable-extension for host llvm-profdata

so the merging step doesn't fail for `opt-dist local` on Windows
---
 src/tools/opt-dist/src/training.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/tools/opt-dist/src/training.rs b/src/tools/opt-dist/src/training.rs
index 30c79f9594744..47159a43140f6 100644
--- a/src/tools/opt-dist/src/training.rs
+++ b/src/tools/opt-dist/src/training.rs
@@ -70,7 +70,9 @@ fn merge_llvm_profiles(
     profdata: LlvmProfdata,
 ) -> anyhow::Result<()> {
     let llvm_profdata = match profdata {
-        LlvmProfdata::Host => env.host_llvm_dir().join("bin/llvm-profdata"),
+        LlvmProfdata::Host => {
+            env.host_llvm_dir().join(format!("bin/llvm-profdata{}", executable_extension()))
+        }
         LlvmProfdata::Target => env
             .build_artifacts()
             .join("llvm")