Remove bogus assertion: a node with no referrers could be collapsed if field-sensitivity was disabled


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6695 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/DataStructure.cpp b/lib/Analysis/DataStructure/DataStructure.cpp
index 4f774ac..5f232e2 100644
--- a/lib/Analysis/DataStructure/DataStructure.cpp
+++ b/lib/Analysis/DataStructure/DataStructure.cpp
@@ -107,8 +107,6 @@
 /// single byte with a single TypeEntry of "void".
 ///
 void DSNode::foldNodeCompletely() {
-  assert(!hasNoReferrers() &&
-         "Why would we collapse a node with no referrers?");
   if (isNodeCompletelyFolded()) return;  // If this node is already folded...
 
   ++NumFolds;