Index: include/llvm/LTO/LTO.h
===================================================================
--- include/llvm/LTO/LTO.h
+++ include/llvm/LTO/LTO.h
@@ -227,6 +227,10 @@
                             symbol_iterator(Obj->symbol_end()));
   }

+  StringRef getDataLayoutStr() const {
+    return Obj->getModule().getDataLayoutStr();
+  }
+
   StringRef getSourceFileName() const {
     return Obj->getModule().getSourceFileName();
   }
@@ -234,10 +238,6 @@
   MemoryBufferRef getMemoryBufferRef() const {
     return Obj->getMemoryBufferRef();
   }
-
-  Module &getModule() const {
-    return Obj->getModule();
-  }
 };

 /// A ThinBackend defines what happens after the thin-link phase during ThinLTO.