Fix handling of CHECK-DAG inside of CHECK-LABEL.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192463 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/FileCheck/FileCheck.cpp b/utils/FileCheck/FileCheck.cpp
index 120fdd7..37a1a2f 100644
--- a/utils/FileCheck/FileCheck.cpp
+++ b/utils/FileCheck/FileCheck.cpp
@@ -879,12 +879,10 @@
   size_t LastPos = 0;
   std::vector<const Pattern *> NotStrings;
 
-  if (CheckTy != Check::CheckLabel) {
-    // Match "dag strings" (with mixed "not strings" if any).
-    LastPos = CheckDag(SM, Buffer, NotStrings, VariableTable);
-    if (LastPos == StringRef::npos)
-      return StringRef::npos;
-  }
+  // Match "dag strings" (with mixed "not strings" if any).
+  LastPos = CheckDag(SM, Buffer, NotStrings, VariableTable);
+  if (LastPos == StringRef::npos)
+    return StringRef::npos;
 
   // Match itself from the last position after matching CHECK-DAG.
   StringRef MatchBuffer = Buffer.substr(LastPos);