Rename DIBlock as DILexicalBlock.

llvm-svn: 80634
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index f39055f..c4759b9 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -870,7 +870,7 @@
   llvm::DIDescriptor D;
   if (!RegionStack.empty())
     D = RegionStack.back();
-  D = DebugFactory.CreateBlock(D);
+  D = DebugFactory.CreateLexicalBlock(D);
   RegionStack.push_back(D);
   DebugFactory.InsertRegionStart(D, Builder.GetInsertBlock());
 }