Index: llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp
===================================================================
--- llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp
+++ llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp
@@ -268,7 +268,7 @@
                              cl::desc("Use linker features to support dead "
                                       "code stripping of globals "
                                       "(Mach-O only)"),
-                             cl::Hidden, cl::init(false));
+                             cl::Hidden, cl::init(true));
 
 // Debug flags.
 static cl::opt<int> ClDebug("asan-debug", cl::desc("debug"), cl::Hidden,
Index: llvm/trunk/test/Instrumentation/AddressSanitizer/global_metadata_darwin.ll
===================================================================
--- llvm/trunk/test/Instrumentation/AddressSanitizer/global_metadata_darwin.ll
+++ llvm/trunk/test/Instrumentation/AddressSanitizer/global_metadata_darwin.ll
@@ -2,7 +2,7 @@
 ; allowing dead stripping to be performed, and that the appropriate runtime
 ; routines are invoked.
 
-; RUN: opt < %s -asan -asan-module -asan-globals-live-support -S | FileCheck %s
+; RUN: opt < %s -asan -asan-module -S | FileCheck %s
 
 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64-apple-macosx10.11.0"