darwin doesn't use .hidden.  Disable this until we fix it right.

llvm-svn: 33191
diff --git a/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp b/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
index 96725f9..1dfb43a 100755
--- a/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
+++ b/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
@@ -125,7 +125,7 @@
     }
     break;
   }
-  if (F->hasHiddenVisibility())
+  if (F->hasHiddenVisibility() && !Subtarget->isTargetDarwin())
     O << "\t.hidden " << CurrentFnName << "\n";
   
   O << CurrentFnName << ":\n";