Rename markAsErased to erase, as pointed out in a previous review; NFC

llvm-svn: 313951
diff --git a/llvm/unittests/Transforms/Scalar/LoopPassManagerTest.cpp b/llvm/unittests/Transforms/Scalar/LoopPassManagerTest.cpp
index 31b3cea..2a07e36 100644
--- a/llvm/unittests/Transforms/Scalar/LoopPassManagerTest.cpp
+++ b/llvm/unittests/Transforms/Scalar/LoopPassManagerTest.cpp
@@ -1393,7 +1393,7 @@
     for (BasicBlock *LoopBB : LoopBBs)
       LoopBB->eraseFromParent();
 
-    AR.LI.markAsErased(&L);
+    AR.LI.erase(&L);
   };
 
   // Build up the pass managers.