Get rid of AllocationFlags::TAG_OBJECT

src/macro-assembler.h

Index: src/macro-assembler.h
diff --git a/src/macro-assembler.h b/src/macro-assembler.h
index 6338b2c1c10283de471da5fdd20b0ea9a3e88293..2e4d1914a39f82becaf9d4502e8d3ccef093d128 100644
--- a/src/macro-assembler.h
+++ b/src/macro-assembler.h
@@ -19,21 +19,18 @@ enum InvokeFlag {
 enum AllocationFlags {
   // No special flags.
   NO_ALLOCATION_FLAGS = 0,
-  // Return the pointer to the allocated already tagged as a heap object.
-  TAG_OBJECT = 1 << 0,
   // The content of the result register already contains the allocation top in
   // new space.
-  RESULT_CONTAINS_TOP = 1 << 1,
+  RESULT_CONTAINS_TOP = 1 << 0,
   // Specify that the requested size of the space to allocate is specified in
   // words instead of bytes.
-  SIZE_IN_WORDS = 1 << 2,
+  SIZE_IN_WORDS = 1 << 1,
   // Align the allocation to a multiple of kDoubleSize
-  DOUBLE_ALIGNMENT = 1 << 3,
+  DOUBLE_ALIGNMENT = 1 << 2,
   // Directly allocate in old space
-  PRETENURE = 1 << 4,
+  PRETENURE = 1 << 3,
 };
 
-
 #if V8_TARGET_ARCH_IA32
 #include "src/ia32/assembler-ia32.h"
 #include "src/ia32/assembler-ia32-inl.h"