Added -print-ivar-layout option. No change in functionality
yet.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69346 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/clang-cc/clang-cc.cpp b/tools/clang-cc/clang-cc.cpp
index 7d1ce40..e9e5c37 100644
--- a/tools/clang-cc/clang-cc.cpp
+++ b/tools/clang-cc/clang-cc.cpp
@@ -399,6 +399,10 @@
 ObjCEnableGC("fobjc-gc",
              llvm::cl::desc("Enable Objective-C garbage collection"));
 
+static llvm::cl::opt<bool>
+ObjCEnableGCBitmapPrint("print-ivar-layout",
+             llvm::cl::desc("Enable Objective-C Ivar layout bitmap print trace"));
+
 static llvm::cl::opt<LangOptions::VisibilityMode>
 SymbolVisibility("fvisibility",
                  llvm::cl::desc("Set the default symbol visibility:"),
@@ -517,6 +521,9 @@
   else if (ObjCEnableGC)
     Options.setGCMode(LangOptions::HybridGC);
   
+  if (ObjCEnableGCBitmapPrint)
+    Options.ObjCGCBitmapPrint = 1;
+  
   Options.setVisibilityMode(SymbolVisibility);
   Options.OverflowChecking = OverflowChecking;
 }