[es6] Reintroduce the instanceof operator in the backends.

test/cctest/interpreter/bytecode_expectations/IfConditions.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 pool type: mixed
 execute: yes
 wrap: no
 test function name: f
 
@@ skipping 644 matching lines @@
     if (a < b) { return 1; }
     if (a > b) { return 1; }
     if (a <= b) { return 1; }
     if (a >= b) { return 1; }
     if (a in b) { return 1; }
     if (a instanceof b) { return 1; }
     return 0;
   }
   f(1, 1);
 "
-frame size: 6
+frame size: 1
 parameter count: 3
-bytecode array length: 226
+bytecode array length: 107
 bytecodes: [
   /*   10 E> */ B(StackCheck),
   /*   21 S> */ B(Ldar), R(arg0),
-                B(Star), R(3),
+                B(Star), R(0),
   /*   30 E> */ B(Ldar), R(arg1),
-  /*   27 E> */ B(TestEqual), R(3),
+  /*   27 E> */ B(TestEqual), R(0),
                 B(JumpIfFalse), U8(5),
   /*   35 S> */ B(LdaSmi), U8(1),
   /*  262 S> */ B(Return),
   /*   49 S> */ B(Ldar), R(arg0),
-                B(Star), R(3),
+                B(Star), R(0),
   /*   59 E> */ B(Ldar), R(arg1),
-  /*   55 E> */ B(TestEqualStrict), R(3),
+  /*   55 E> */ B(TestEqualStrict), R(0),
                 B(JumpIfFalse), U8(5),
   /*   64 S> */ B(LdaSmi), U8(1),
   /*  262 S> */ B(Return),
   /*   78 S> */ B(Ldar), R(arg0),
-                B(Star), R(3),
+                B(Star), R(0),
   /*   86 E> */ B(Ldar), R(arg1),
-  /*   84 E> */ B(TestLessThan), R(3),
+  /*   84 E> */ B(TestLessThan), R(0),
                 B(JumpIfFalse), U8(5),
   /*   91 S> */ B(LdaSmi), U8(1),
   /*  262 S> */ B(Return),
   /*  105 S> */ B(Ldar), R(arg0),
-                B(Star), R(3),
+                B(Star), R(0),
   /*  113 E> */ B(Ldar), R(arg1),
-  /*  111 E> */ B(TestGreaterThan), R(3),
+  /*  111 E> */ B(TestGreaterThan), R(0),
                 B(JumpIfFalse), U8(5),
   /*  118 S> */ B(LdaSmi), U8(1),
   /*  262 S> */ B(Return),
   /*  132 S> */ B(Ldar), R(arg0),
-                B(Star), R(3),
+                B(Star), R(0),
   /*  141 E> */ B(Ldar), R(arg1),
-  /*  138 E> */ B(TestLessThanOrEqual), R(3),
+  /*  138 E> */ B(TestLessThanOrEqual), R(0),
                 B(JumpIfFalse), U8(5),
   /*  146 S> */ B(LdaSmi), U8(1),
   /*  262 S> */ B(Return),
   /*  160 S> */ B(Ldar), R(arg0),
-                B(Star), R(3),
+                B(Star), R(0),
   /*  169 E> */ B(Ldar), R(arg1),
-  /*  166 E> */ B(TestGreaterThanOrEqual), R(3),
+  /*  166 E> */ B(TestGreaterThanOrEqual), R(0),
                 B(JumpIfFalse), U8(5),
   /*  174 S> */ B(LdaSmi), U8(1),
   /*  262 S> */ B(Return),
   /*  188 S> */ B(Ldar), R(arg0),
-                B(Star), R(3),
+                B(Star), R(0),
   /*  197 E> */ B(Ldar), R(arg1),
-  /*  194 E> */ B(TestIn), R(3),
+  /*  194 E> */ B(TestIn), R(0),
                 B(JumpIfFalse), U8(5),
   /*  202 S> */ B(LdaSmi), U8(1),
   /*  262 S> */ B(Return),
   /*  216 S> */ B(Ldar), R(arg0),
                 B(Star), R(0),
   /*  233 E> */ B(Ldar), R(arg1),
-                B(Star), R(1),
-                B(Star), R(3),
-                B(InvokeIntrinsic), U16(Runtime::k_IsJSReceiver), R(3), U8(1),
-                B(JumpIfToBooleanFalse), U8(4),
-                B(Jump), U8(16),
-  /*  222 S> */ B(LdaSmi), U8(61),
-                B(Star), R(3),
-                B(LdaConstant), U8(0),
-                B(Star), R(4),
-                B(CallRuntime), U16(Runtime::kNewTypeError), R(3), U8(2),
-  /*  222 E> */ B(Throw),
-                B(Ldar), R(1),
-                B(Star), R(3),
-  /*  222 E> */ B(LdaConstant), U8(1),
-                B(KeyedLoadIC), R(3), U8(1),
-                B(Star), R(2),
-                B(Star), R(3),
-                B(LdaUndefined),
-                B(TestEqualStrict), R(3),
-                B(JumpIfFalse), U8(55),
-                B(Ldar), R(1),
-                B(TypeOf),
-                B(Star), R(3),
-                B(LdaConstant), U8(2),
-                B(TestEqualStrict), R(3),
-                B(JumpIfFalse), U8(4),
-                B(Jump), U8(16),
-  /*  222 S> */ B(LdaSmi), U8(16),
-                B(Star), R(3),
-                B(LdaConstant), U8(0),
-                B(Star), R(4),
-                B(CallRuntime), U16(Runtime::kNewTypeError), R(3), U8(2),
-  /*  222 E> */ B(Throw),
-                B(CallRuntime), U16(Runtime::k_GetOrdinaryHasInstance), R(0), U8(0),
-                B(Star), R(2),
-                B(Star), R(3),
-                B(Ldar), R(1),
-                B(Star), R(4),
-                B(Ldar), R(0),
-                B(Star), R(5),
-                B(CallRuntime), U16(Runtime::k_Call), R(3), U8(3),
-                B(Star), R(2),
-                B(Jump), U8(23),
-                B(Ldar), R(2),
-                B(Star), R(3),
-                B(Ldar), R(1),
-                B(Star), R(4),
-                B(Ldar), R(0),
-                B(Star), R(5),
-                B(CallRuntime), U16(Runtime::k_Call), R(3), U8(3),
-                B(LogicalNot),
-                B(LogicalNot),
-                B(Star), R(2),
-                B(Ldar), R(2),
-                B(JumpIfToBooleanFalse), U8(5),
+  /*  222 E> */ B(TestInstanceOf), R(0),
+                B(JumpIfFalse), U8(5),
   /*  238 S> */ B(LdaSmi), U8(1),
   /*  262 S> */ B(Return),
   /*  252 S> */ B(LdaZero),
   /*  262 S> */ B(Return),
 ]
 constant pool: [
-  InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
-  InstanceType::SYMBOL_TYPE,
-  InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   function f() {
     var a = 0;
     if (a) {
       return 20;
@@ skipping 16 matching lines @@
   /*   69 S> */ B(LdaSmi), U8(-20),
   /*   85 S> */ B(Return),
                 B(LdaUndefined),
   /*   85 S> */ B(Return),
 ]
 constant pool: [
 ]
 handlers: [
 ]