MIPS: Unbreak big-endian build after r21774.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index f1720f444247d83635c84d00a99cf2457ee0022e..97ec1584ac896db245b6c7888b3f3f61c62847c3 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -6091,11 +6091,19 @@ class HObjectAccess V8_FINAL {
   }
 
   static HObjectAccess ForMapInstanceTypeAndBitField() {
+#if V8_TARGET_LITTLE_ENDIAN
     STATIC_ASSERT((Map::kInstanceTypeOffset & 1) == 0);
     STATIC_ASSERT(Map::kBitFieldOffset == Map::kInstanceTypeOffset + 1);
     return HObjectAccess(kInobject,
                          Map::kInstanceTypeOffset,
                          Representation::UInteger16());
+#else
+    STATIC_ASSERT((Map::kBitFieldOffset & 1) == 0);
+    STATIC_ASSERT(Map::kInstanceTypeOffset == Map::kBitFieldOffset + 1);
+    return HObjectAccess(kInobject,
+                         Map::kBitFieldOffset,
+                         Representation::UInteger16());
+#endif
   }
 
   static HObjectAccess ForPropertyCellValue() {