1 files changed, 5 insertions, 3 deletions
diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp
index b64424a9a..2d8bb71 100644
--- a/clang/lib/Frontend/CompilerInstance.cpp
+++ b/clang/lib/Frontend/CompilerInstance.cpp
@@ -949,16 +949,18 @@ static bool compileModuleImpl(CompilerInstance &ImportingInstance,
     FrontendOpts.Inputs.push_back(
         FrontendInputFile(ModuleMapFile->getName(), IK));
   } else {
+    SmallString<128> FakeModuleMapFile(Module->Directory->getName());
+    llvm::sys::path::append(FakeModuleMapFile, "__inferred_module.map");
+    FrontendOpts.Inputs.push_back(FrontendInputFile(FakeModuleMapFile, IK));
+
     llvm::raw_string_ostream OS(InferredModuleMapContent);
     Module->print(OS);
     OS.flush();
-    FrontendOpts.Inputs.push_back(
-        FrontendInputFile("__inferred_module.map", IK));
 
     std::unique_ptr<llvm::MemoryBuffer> ModuleMapBuffer =
         llvm::MemoryBuffer::getMemBuffer(InferredModuleMapContent);
     ModuleMapFile = Instance.getFileManager().getVirtualFile(
-        "__inferred_module.map", InferredModuleMapContent.size(), 0);
+        FakeModuleMapFile, InferredModuleMapContent.size(), 0);
     SourceMgr.overrideFileContents(ModuleMapFile, std::move(ModuleMapBuffer));
   }