[runtime] [proxy] removing JSFunctionProxy and related code.

src/full-codegen/x87/full-codegen-x87.cc

Index: src/full-codegen/x87/full-codegen-x87.cc
diff --git a/src/full-codegen/x87/full-codegen-x87.cc b/src/full-codegen/x87/full-codegen-x87.cc
index 14ae8ee4d5fa29a3984d71307af0668d642d3ba5..1a1f047b644483edcb5fbf2a04e07e90ea112419 100644
--- a/src/full-codegen/x87/full-codegen-x87.cc
+++ b/src/full-codegen/x87/full-codegen-x87.cc
@@ -983,9 +983,8 @@ void FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) {
 
   // Check for proxies.
   Label call_runtime, use_cache, fixed_array;
-  STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE);
-  __ CmpObjectType(eax, LAST_JS_PROXY_TYPE, ecx);
-  __ j(below_equal, &call_runtime);
+  __ CmpObjectType(eax, JS_PROXY_TYPE, ecx);
+  __ j(equal, &call_runtime);
 
   // Check cache validity in generated code. This is a fast case for
   // the JSObject::IsSimpleEnum cache validity checks. If we cannot
@@ -1041,8 +1040,8 @@ void FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) {
 
   __ mov(ebx, Immediate(Smi::FromInt(1)));  // Smi indicates slow check
   __ mov(ecx, Operand(esp, 0 * kPointerSize));  // Get enumerated object
-  STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE);
-  __ CmpObjectType(ecx, LAST_JS_PROXY_TYPE, ecx);
+  STATIC_ASSERT(JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE);
+  __ CmpObjectType(ecx, JS_PROXY_TYPE, ecx);
   __ j(above, &non_proxy);
   __ Move(ebx, Immediate(Smi::FromInt(0)));  // Zero indicates proxy
   __ bind(&non_proxy);
@@ -3139,14 +3138,11 @@ void FullCodeGenerator::EmitIsJSProxy(CallRuntime* expr) {
   context()->PrepareTest(&materialize_true, &materialize_false, &if_true,
                          &if_false, &fall_through);
 
+
   __ JumpIfSmi(eax, if_false);
-  Register map = ebx;
-  __ mov(map, FieldOperand(eax, HeapObject::kMapOffset));
-  __ CmpInstanceType(map, FIRST_JS_PROXY_TYPE);
-  __ j(less, if_false);
-  __ CmpInstanceType(map, LAST_JS_PROXY_TYPE);
+  __ CmpObjectType(eax, JS_PROXY_TYPE, ebx);
   PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
-  Split(less_equal, if_true, if_false, fall_through);
+  Split(equal, if_true, if_false, fall_through);
 
   context()->Plug(if_true, if_false);
 }