[csa] Make argc parameter to CodeStubArguments constructor use ParameterMode

src/builtins/builtins-string.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/builtins/builtins-utils.h"
 #include "src/builtins/builtins.h"
 #include "src/code-factory.h"
 #include "src/code-stub-assembler.h"
 #include "src/regexp/regexp-utils.h"
 
@@ skipping 402 matching lines @@
 }
 
 // -----------------------------------------------------------------------------
 // ES6 section 21.1 String Objects
 
 // ES6 section 21.1.2.1 String.fromCharCode ( ...codeUnits )
 TF_BUILTIN(StringFromCharCode, CodeStubAssembler) {
   Node* argc = Parameter(BuiltinDescriptor::kArgumentsCount);
   Node* context = Parameter(BuiltinDescriptor::kContext);
 
-  CodeStubArguments arguments(this, argc);
+  CodeStubArguments arguments(this, ChangeInt32ToIntPtr(argc));
   // From now on use word-size argc value.
   argc = arguments.GetLength();
 
   // Check if we have exactly one argument (plus the implicit receiver), i.e.
   // if the parent frame is not an arguments adaptor frame.
   Label if_oneargument(this), if_notoneargument(this);
   Branch(WordEqual(argc, IntPtrConstant(1)), &if_oneargument,
          &if_notoneargument);
 
   Bind(&if_oneargument);
@@ skipping 445 matching lines @@
 TF_BUILTIN(StringPrototypeIndexOf, StringBuiltinsAssembler) {
   Variable search_string(this, MachineRepresentation::kTagged),
       position(this, MachineRepresentation::kTagged);
   Label call_runtime(this), call_runtime_unchecked(this), argc_0(this),
       no_argc_0(this), argc_1(this), no_argc_1(this), argc_2(this),
       fast_path(this), return_minus_1(this);
 
   Node* argc = Parameter(BuiltinDescriptor::kArgumentsCount);
   Node* context = Parameter(BuiltinDescriptor::kContext);
 
-  CodeStubArguments arguments(this, argc);
+  CodeStubArguments arguments(this, ChangeInt32ToIntPtr(argc));
   Node* receiver = arguments.GetReceiver();
   // From now on use word-size argc value.
   argc = arguments.GetLength();
 
   GotoIf(IntPtrEqual(argc, IntPtrConstant(0)), &argc_0);
   GotoIf(IntPtrEqual(argc, IntPtrConstant(1)), &argc_1);
   Goto(&argc_2);
   Bind(&argc_0);
   {
     Comment("0 Argument case");
@@ skipping 597 matching lines @@
         CallRuntime(Runtime::kThrowIncompatibleMethodReceiver, context,
                     HeapConstant(factory()->NewStringFromAsciiChecked(
                         "String Iterator.prototype.next", TENURED)),
                     iterator);
     Return(result);  // Never reached.
   }
 }
 
 }  // namespace internal
 }  // namespace v8