Apply feedback from previous patch.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41774 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-upgrade/UpgradeParser.y.cvs b/tools/llvm-upgrade/UpgradeParser.y.cvs
index bc6342c..211934f 100644
--- a/tools/llvm-upgrade/UpgradeParser.y.cvs
+++ b/tools/llvm-upgrade/UpgradeParser.y.cvs
@@ -2525,6 +2525,7 @@
     if ($1.T==Type::FloatTy)
       $2->convert(APFloat::IEEEsingle, APFloat::rmNearestTiesToEven);
     $$.C = ConstantFP::get($1.T, *$2);
+    delete $2;
     $$.S.makeSignless();
   }
   ;