X87: Use weak cells to embed maps in store handler.

src/x87/macro-assembler-x87.cc

Index: src/x87/macro-assembler-x87.cc
diff --git a/src/x87/macro-assembler-x87.cc b/src/x87/macro-assembler-x87.cc
index 0d23cffafb75f961fa168caadb5410dc9876308a..9fa5c8efc1096d6c5aba17f43c5a8c9f0c8cf9a8 100644
--- a/src/x87/macro-assembler-x87.cc
+++ b/src/x87/macro-assembler-x87.cc
@@ -3087,18 +3087,6 @@ void MacroAssembler::CheckPageFlagForMap(
 }
 
 
-void MacroAssembler::CheckMapDeprecated(Handle<Map> map,
-                                        Register scratch,
-                                        Label* if_deprecated) {
-  if (map->CanBeDeprecated()) {
-    mov(scratch, map);
-    mov(scratch, FieldOperand(scratch, Map::kBitField3Offset));
-    and_(scratch, Immediate(Map::Deprecated::kMask));
-    j(not_zero, if_deprecated);
-  }
-}
-
-
 void MacroAssembler::JumpIfBlack(Register object,
                                  Register scratch0,
                                  Register scratch1,