Index: lib/ReaderWriter/MachO/MachONormalizedFileFromAtoms.cpp
===================================================================
--- lib/ReaderWriter/MachO/MachONormalizedFileFromAtoms.cpp
+++ lib/ReaderWriter/MachO/MachONormalizedFileFromAtoms.cpp
@@ -1631,6 +1631,17 @@
   normFile.pageSize = context.pageSize();
   normFile.rpaths = context.rpaths();
   util.addDependentDylibs(atomFile, normFile);
+  if (context.outputMachOType() == MH_DYLIB) {
+     // If we're not re-exporting any dylib set MH_NO_REEXPORTED_DYLIBS
+    normFile.flags = normFile.flags | MH_NO_REEXPORTED_DYLIBS;
+    for (DependentDylib &sect : normFile.dependentDylibs) {
+      if (sect.kind == llvm::MachO::LC_REEXPORT_DYLIB) {
+        normFile.flags = normFile.flags &~ MH_NO_REEXPORTED_DYLIBS;
+        break;
+      }
+    }
+  }
+  
   util.copySegmentInfo(normFile);
   util.copySectionInfo(normFile);
   util.assignAddressesToSections(normFile);