patch for two things.
make sure objc2's nonfragile abi is enacted for Leopard too.
add -fobjc-gc-only flag to the image_info symbol.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65413 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index b2d4db1..455cdfa 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -152,11 +152,12 @@
   
   // Blocks default to on for 10.6 (darwin10) and beyond.
   // As does nonfragile-abi for 64bit mode
-  if (Maj > 9) {
+  if (Maj > 9) 
     Opts.Blocks = 1;
+
+  if (Maj >= 9)
     if (Opts.ObjC1 && !strncmp(Triple, "x86_64", 6))
       Opts.ObjCNonFragileABI = 1;
-  }
 }