From 855689d699998ed9cec18109308a0524d7a91121 Mon Sep 17 00:00:00 2001
From: Hans Wennborg <hans@chromium.org>
Date: Tue, 3 Nov 2026 14:58:05 +0100
Subject: [PATCH] LLVMRustWriteOutputFile: Check the result of
 runCodeGenPipeline

Otherwise the llvm::Error object's destrcutor asserts.
---
 compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
index f891ef556db4c..e6cb3c991e491 100644
--- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
@@ -506,6 +506,8 @@ LLVMRustWriteOutputFile(LLVMTargetMachineRef Target, LLVMModuleRef M,
   Error CodeGenError =
       runCodeGenPipeline(*unwrap(Target), *unwrap(M), BOS, BDwoOS.get(),
                          FileType, !VerifyIR, DisableSimplifyLibCalls);
+  if (CodeGenError)
+    return LLVMRustResult::Failure;
 #else
   std::unique_ptr<llvm::legacy::PassManager> PM =
       std::make_unique<llvm::legacy::PassManager>();