MIPS: port Implement set trap for proxies, and revamp class hierarchy in preparation

src/mips/stub-cache-mips.cc

Index: src/mips/stub-cache-mips.cc
diff --git a/src/mips/stub-cache-mips.cc b/src/mips/stub-cache-mips.cc
index fa2dd47b03d669e97580f7561357cae4f25bcef2..dfae057abdb5555d95cfa7376f221621f8d1eb56 100644
--- a/src/mips/stub-cache-mips.cc
+++ b/src/mips/stub-cache-mips.cc
@@ -126,7 +126,7 @@ MUST_USE_RESULT static MaybeObject* GenerateDictionaryNegativeLookup(
 
   // Check that receiver is a JSObject.
   __ lbu(scratch0, FieldMemOperand(map, Map::kInstanceTypeOffset));
-  __ Branch(miss_label, lt, scratch0, Operand(FIRST_JS_OBJECT_TYPE));
+  __ Branch(miss_label, lt, scratch0, Operand(FIRST_SPEC_OBJECT_TYPE));
 
   // Load properties array.
   Register properties = scratch0;