Don't return false when the function's return type is a pointer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166719 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index 568a40c..d5b581b 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -1219,7 +1219,7 @@
 /// PatFrag references.
 TreePatternNode *TreePatternNode::InlinePatternFragments(TreePattern &TP) {
   if (TP.hasError())
-    return false;
+    return 0;
 
   if (isLeaf())
      return this;  // nothing to do.
@@ -1248,7 +1248,7 @@
   if (Frag->getNumArgs() != Children.size()) {
     TP.error("'" + Op->getName() + "' fragment requires " +
              utostr(Frag->getNumArgs()) + " operands!");
-    return false;
+    return 0;
   }
 
   TreePatternNode *FragTree = Frag->getOnlyTree()->clone();