[proxies] throw TypeError in [[Call]] if is_callable Map bit is unset

src/ia32/builtins-ia32.cc

Index: src/ia32/builtins-ia32.cc
diff --git a/src/ia32/builtins-ia32.cc b/src/ia32/builtins-ia32.cc
index f4056777d4ba337e2355a322176fd01ae561cced..97bce098e49ae07570f03b5a150bf330798a48ca 100644
--- a/src/ia32/builtins-ia32.cc
+++ b/src/ia32/builtins-ia32.cc
@@ -2199,6 +2199,11 @@ void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode,
   __ CmpObjectType(edi, JS_FUNCTION_TYPE, ecx);
   __ j(equal, masm->isolate()->builtins()->CallFunction(mode, tail_call_mode),
        RelocInfo::CODE_TARGET);
+
+  // Check if target has a [[Call]] internal method.
+  __ test_b(FieldOperand(ecx, Map::kBitFieldOffset), 1 << Map::kIsCallable);
+  __ j(zero, &non_callable);
+
   __ CmpInstanceType(ecx, JS_BOUND_FUNCTION_TYPE);
   __ j(equal, masm->isolate()->builtins()->CallBoundFunction(tail_call_mode),
        RelocInfo::CODE_TARGET);
@@ -2224,9 +2229,6 @@ void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode,
   // 2. Call to something else, which might have a [[Call]] internal method (if
   // not we raise an exception).
   __ bind(&non_function);
-  // Check if target has a [[Call]] internal method.
-  __ test_b(FieldOperand(ecx, Map::kBitFieldOffset), 1 << Map::kIsCallable);
-  __ j(zero, &non_callable, Label::kNear);
   // Overwrite the original receiver with the (original) target.
   __ mov(Operand(esp, eax, times_pointer_size, kPointerSize), edi);
   // Let the "call_as_function_delegate" take care of the rest.