Change createObjectFile to return an ErrorOr.

llvm-svn: 199776
diff --git a/llvm/lib/Object/Object.cpp b/llvm/lib/Object/Object.cpp
index 1edc217..e454d8e 100644
--- a/llvm/lib/Object/Object.cpp
+++ b/llvm/lib/Object/Object.cpp
@@ -59,7 +59,9 @@
 
 // ObjectFile creation
 LLVMObjectFileRef LLVMCreateObjectFile(LLVMMemoryBufferRef MemBuf) {
-  return wrap(ObjectFile::createObjectFile(unwrap(MemBuf)));
+  ErrorOr<ObjectFile*> ObjOrErr(ObjectFile::createObjectFile(unwrap(MemBuf)));
+  ObjectFile *Obj = ObjOrErr ? ObjOrErr.get() : 0;
+  return wrap(Obj);
 }
 
 void LLVMDisposeObjectFile(LLVMObjectFileRef ObjectFile) {