Index: lib/Transforms/Instrumentation/MemorySanitizer.cpp
===================================================================
--- lib/Transforms/Instrumentation/MemorySanitizer.cpp
+++ lib/Transforms/Instrumentation/MemorySanitizer.cpp
@@ -290,7 +290,7 @@
 
 // ppc64 Linux
 static const MemoryMapParams Linux_PowerPC64_MemoryMapParams = {
-  0x200000000000,  // AndMask
+  0xE00000000000,  // AndMask
   0x100000000000,  // XorMask
   0x080000000000,  // ShadowBase
   0x1C0000000000,  // OriginBase