Index: lib/Transforms/IPO/PassManagerBuilder.cpp
===================================================================
--- lib/Transforms/IPO/PassManagerBuilder.cpp
+++ lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -95,7 +95,7 @@
     cl::desc("Enable the new, experimental LoopDistribution Pass"));
 
 static cl::opt<bool> EnableNonLTOGlobalsModRef(
-    "enable-non-lto-gmr", cl::init(false), cl::Hidden,
+    "enable-non-lto-gmr", cl::init(true), cl::Hidden,
     cl::desc(
         "Enable the GlobalsModRef AliasAnalysis outside of the LTO pipeline."));