[clang] [clang] Move VFS overlays from `HeaderSearchOptions` to `FileSystemOptions` (PR #86534)

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git-clang-format --diff 6b1cf0040059c407264d2609403c4fc090673167 15e732563c77a0990210bc6f9212e6f96d5e727a -- clang/include/clang/Basic/FileSystemOptions.h clang/include/clang/Lex/HeaderSearchOptions.h clang/include/clang/Serialization/ASTBitCodes.h clang/lib/Frontend/ASTUnit.cpp clang/lib/Frontend/CompilerInstance.cpp clang/lib/Frontend/CompilerInvocation.cpp clang/lib/Frontend/FrontendActions.cpp clang/lib/Lex/HeaderSearch.cpp clang/lib/Serialization/ASTReader.cpp clang/lib/Serialization/ASTWriter.cpp clang/lib/Tooling/DependencyScanning/DependencyScanningWorker.cpp clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
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diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index f3f8a92b2f..d15934470a 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -4703,9 +4703,8 @@ bool CompilerInvocation::CreateFromArgsImpl(
   // Set PGOOptions. Need to create a temporary VFS to read the profile
   // to determine the PGO type.
   if (!Res.getCodeGenOpts().ProfileInstrumentUsePath.empty()) {
-    auto FS =
-        createVFSFromOverlayFiles(Res.getFileSystemOpts().VFSOverlayFiles,
-                                  Diags, llvm::vfs::getRealFileSystem());
+    auto FS = createVFSFromOverlayFiles(Res.getFileSystemOpts().VFSOverlayFiles,
+                                        Diags, llvm::vfs::getRealFileSystem());
     setPGOUseInstrumentor(Res.getCodeGenOpts(),
                           Res.getCodeGenOpts().ProfileInstrumentUsePath, *FS,
                           Diags);

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https://github.com/llvm/llvm-project/pull/86534