Fix Wundef NDEBUG warning; NFC

Check for definedness of the NDEBUG macro rather than its value,
to be consistent with other uses.

llvm-svn: 342876

diff --git a/clang/lib/Sema/ParsedAttr.cpp b/clang/lib/Sema/ParsedAttr.cpp
index b8d57e2..3dff0ad 100644 (file)
--- a/clang/lib/Sema/ParsedAttr.cpp
+++ b/clang/lib/Sema/ParsedAttr.cpp
@@ -82,7 +82,7 @@ void AttributeFactory::deallocate(ParsedAttr *Attr) {
   if (freeListIndex >= FreeLists.size())
     FreeLists.resize(freeListIndex + 1);
 
-#if !NDEBUG
+#ifndef NDEBUG
   // In debug mode, zero out the attribute to help find memory overwriting.
   memset(Attr, 0, size);
 #endif