================
@@ -149,11 +149,16 @@ std::vector<bool> HeaderSearch::collectVFSUsageAndClear()
const {
llvm::vfs::FileSystem &RootFS = FileMgr.getVirtualFileSystem();
// TODO: This only works if the `RedirectingFileSystem`s were all created by
- // `createVFSFromOverlayFiles`.
+ // `createVFSFromOverlayFiles`. But at least exclude the ones with null
+ // OverlayFileDir.
RootFS.visit([&](llvm::vfs::FileSystem &FS) {
if (auto *RFS = dyn_cast<llvm::vfs::RedirectingFileSystem>(&FS)) {
- VFSUsage.push_back(RFS->hasBeenUsed());
- RFS->clearHasBeenUsed();
+ // Skip a `RedirectingFileSystem` with null OverlayFileDir which
indicates
+ // that they aren't created by `createVFSFromOverlayFiles`.
----------------
hjyamauchi wrote:
Done
https://github.com/llvm/llvm-project/pull/128267
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