minor long double related changes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42439 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-upgrade/UpgradeLexer.l.cvs b/tools/llvm-upgrade/UpgradeLexer.l.cvs
index 5318736..9ab9eee 100644
--- a/tools/llvm-upgrade/UpgradeLexer.l.cvs
+++ b/tools/llvm-upgrade/UpgradeLexer.l.cvs
@@ -8,6 +8,7 @@
//===----------------------------------------------------------------------===//
//
// This file implements the flex scanner for LLVM 1.9 assembly languages files.
+// This doesn't handle long double constants, since LLVM 1.9 did not have them.
//
//===----------------------------------------------------------------------===*/