From 807aa261361f4cd9153dda43c9cadbd3fcc659c5 Mon Sep 17 00:00:00 2001
From: Chuanqi Xu <yedeng.yd@linux.alibaba.com>
Date: Tue, 23 May 2023 13:26:16 +0800
Subject: [C++20] [Modules] Don't ignore -fmodule-file when we compile pcm
 files

Close https://github.com/llvm/llvm-project/issues/62843.

Previously when we compile .pcm files into .o files, the
`-fmodule-file=<module-name>=<module-path>` option is ignored. This is
conflicted with our consensus in
https://github.com/llvm/llvm-project/issues/62707.
---
 clang/lib/Frontend/ASTMerge.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'clang/lib/Frontend/ASTMerge.cpp')

diff --git a/clang/lib/Frontend/ASTMerge.cpp b/clang/lib/Frontend/ASTMerge.cpp
index 14d781c..057ea4f 100644
--- a/clang/lib/Frontend/ASTMerge.cpp
+++ b/clang/lib/Frontend/ASTMerge.cpp
@@ -48,7 +48,7 @@ void ASTMergeAction::ExecuteAction() {
                                     /*ShouldOwnClient=*/true));
     std::unique_ptr<ASTUnit> Unit = ASTUnit::LoadFromASTFile(
         ASTFiles[I], CI.getPCHContainerReader(), ASTUnit::LoadEverything, Diags,
-        CI.getFileSystemOpts(), false);
+        CI.getFileSystemOpts(), CI.getHeaderSearchOptsPtr(), false);
 
     if (!Unit)
       continue;
-- 
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