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

src/full-codegen/ia32/full-codegen-ia32.cc

Index: src/full-codegen/ia32/full-codegen-ia32.cc
diff --git a/src/full-codegen/ia32/full-codegen-ia32.cc b/src/full-codegen/ia32/full-codegen-ia32.cc
index 6fcd9943432d3ad07edaf3a6d227df0b2bfbd2fe..28fbe85bbe6d53b6e7b79380bbf9139b3d2aca2f 100644
--- a/src/full-codegen/ia32/full-codegen-ia32.cc
+++ b/src/full-codegen/ia32/full-codegen-ia32.cc
@@ -980,9 +980,8 @@ 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
@@ -1038,8 +1037,8 @@ 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);
@@ -3137,13 +3136,9 @@ void FullCodeGenerator::EmitIsJSProxy(CallRuntime* expr) {
                          &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);
 }