[lld] Fix broken test. -layout-pass option does not exist.

Also shuffle the atoms so that it can verify the layout pass
actually changed the layout.

llvm-svn: 181573

lld/test/layoutafter-test.objtxt

@@ -1,7 +1,15 @@
-# RUN: lld -core -layout-pass=true %s | FileCheck %s -check-prefix=CHKORDER
+# RUN: lld -core --add-pass layout %s | FileCheck %s -check-prefix=CHKORDER
 
 ---
 defined-atoms:   
+  - name:            fn3
+    scope:           global
+  - name:            fn2
+    scope:           global
+    references:      
+      - kind:            layout-after
+        offset:          0
+        target:          fn3
   - name:            fn
     scope:           global
     references:      
@@ -14,14 +22,6 @@ defined-atoms:
       - kind:            layout-after
         offset:          0
         target:          fn2
-  - name:            fn2
-    scope:           global
-    references:      
-      - kind:            layout-after
-        offset:          0
-        target:          fn3
-  - name:            fn3
-    scope:           global
 ...
 
 # CHKORDER:   - name:            fn