diff --git a/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp b/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp index 0022597348a82..80d242a477a3a 100644 --- a/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp +++ b/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp @@ -616,6 +616,9 @@ void ModuleDepCollectorPP::EndOfMainFile() { if (!MDC.ScanInstance.getPreprocessorOpts().ImplicitPCHInclude.empty()) MDC.addFileDep(MDC.ScanInstance.getPreprocessorOpts().ImplicitPCHInclude); + for (StringRef VFS : MDC.ScanInstance.getHeaderSearchOpts().VFSOverlayFiles) + MDC.addFileDep(VFS); + for (const Module *M : MDC.ScanInstance.getPreprocessor().getAffectingClangModules()) if (!MDC.isPrebuiltModule(M)) diff --git a/clang/test/ClangScanDeps/modules-header-sharing.m b/clang/test/ClangScanDeps/modules-header-sharing.m index 31ef351ec38b7..9bba435188721 100644 --- a/clang/test/ClangScanDeps/modules-header-sharing.m +++ b/clang/test/ClangScanDeps/modules-header-sharing.m @@ -79,7 +79,8 @@ // CHECK: ], // CHECK: "file-deps": [ // CHECK-NEXT: "[[PREFIX]]/tu.m", -// CHECK-NEXT: "[[PREFIX]]/shared/H.h" +// CHECK-NEXT: "[[PREFIX]]/shared/H.h", +// CHECK-NEXT: "[[PREFIX]]/overlay.json" // CHECK-NEXT: ], // CHECK-NEXT: "input-file": "[[PREFIX]]/tu.m" // CHECK-NEXT: }