Switch CodeGenOptions over to a .def file, like we do with LangOptions.

llvm-svn: 166497
diff --git a/clang/lib/CodeGen/CGClass.cpp b/clang/lib/CodeGen/CGClass.cpp
index 6d36901..d3c0400 100644
--- a/clang/lib/CodeGen/CGClass.cpp
+++ b/clang/lib/CodeGen/CGClass.cpp
@@ -1238,7 +1238,7 @@
 
   CGDebugInfo *DI = getDebugInfo();
   if (DI &&
-      CGM.getCodeGenOpts().DebugInfo == CodeGenOptions::LimitedDebugInfo) {
+      CGM.getCodeGenOpts().getDebugInfo() == CodeGenOptions::LimitedDebugInfo) {
     // If debug info for this class has not been emitted then this is the
     // right time to do so.
     const CXXRecordDecl *Parent = D->getParent();