[clang] [clang-fuzzer] Fix latent race condition in build (PR #146119)

Paddy McDonald via cfe-commits cfe-commits at lists.llvm.org
Fri Jun 27 10:19:35 PDT 2025


https://github.com/padriff created https://github.com/llvm/llvm-project/pull/146119

Add explicit dependency for gen_vt to the CMakeLists.txt for clang/tools/clang-fuzzer/handle-llvm/handle_llvm.cpp to prevent race condition on generation of llvm/CodeGen/GenVT.inc This explicit dependency was added in other CMakeLists.txt when the tablegen was added for GenVT.inc file in https://reviews.llvm.org/D148770, but not for handle-llvm

A similar fix was made in https://github.com/llvm/llvm-project/pull/109306

>From 80a22953bde0e9378c24b44b998107cc1f5df79b Mon Sep 17 00:00:00 2001
From: Paddy McDonald <padriff at hotmail.com>
Date: Fri, 27 Jun 2025 18:15:08 +0100
Subject: [PATCH] [clang-fuzzer] Fix latent race condition in build

Add explicit dependency for gen_vt to the CMakeLists.txt for clang/tools/clang-fuzzer/handle-llvm/handle_llvm.cpp to prevent race condition on generation of llvm/CodeGen/GenVT.inc
This explicit dependency was added in other CMakeLists.txt when the tablegen was added for GenVT.inc file in https://reviews.llvm.org/D148770, but not for handle-llvm

A similar fix was made in https://github.com/llvm/llvm-project/pull/109306
---
 clang/tools/clang-fuzzer/handle-llvm/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/clang/tools/clang-fuzzer/handle-llvm/CMakeLists.txt b/clang/tools/clang-fuzzer/handle-llvm/CMakeLists.txt
index 9962f9850f545..49a95a02d0447 100644
--- a/clang/tools/clang-fuzzer/handle-llvm/CMakeLists.txt
+++ b/clang/tools/clang-fuzzer/handle-llvm/CMakeLists.txt
@@ -24,4 +24,5 @@ add_clang_library(clangHandleLLVM
 
   DEPENDS
   intrinsics_gen
+  vt_gen
   )



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