[turbofan] Avoid going through ArgumentsAdaptorTrampoline for CSA/C++ builtins

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 63ad9abf663d32834030d6164fb002dff1df16a6..67f8ae241ed5f8e337877ff3eb1ae778f72e8d5b 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -4343,28 +4343,40 @@ bool Genesis::InstallNatives(GlobalContextType context_type) {
 
     // Install Array.prototype.forEach
     Handle<JSFunction> forEach = InstallArrayBuiltinFunction(
-        proto, "forEach", Builtins::kArrayForEach, 2);
+        proto, "forEach", Builtins::kArrayForEach,
+        SharedFunctionInfo::kDontAdaptArgumentsSentinel);

[Igor Sheludko, 2017/04/27 10:38:05]

Idea for further improvement: it would be nice to get the argument_count value
from the builtin's definition. Same applies to
CreateFunction/SimpleCreateFunction/InstallFunction and friends.

[danno, 2017/04/28 06:58:10]

As discussed, I'll do this in a later CL.

     // Add forEach to the context.
     native_context()->set_array_for_each_iterator(*forEach);
 
     // Install Array.prototype.filter
-    InstallArrayBuiltinFunction(proto, "filter", Builtins::kArrayFilter, 2);
+    InstallArrayBuiltinFunction(
+        proto, "filter", Builtins::kArrayFilter,
+        SharedFunctionInfo::kDontAdaptArgumentsSentinel);
 
     // Install Array.prototype.map
-    InstallArrayBuiltinFunction(proto, "map", Builtins::kArrayMap, 2);
+    InstallArrayBuiltinFunction(
+        proto, "map", Builtins::kArrayMap,
+        SharedFunctionInfo::kDontAdaptArgumentsSentinel);
 
     // Install Array.prototype.every
-    InstallArrayBuiltinFunction(proto, "every", Builtins::kArrayEvery, 2);
+    InstallArrayBuiltinFunction(
+        proto, "every", Builtins::kArrayEvery,
+        SharedFunctionInfo::kDontAdaptArgumentsSentinel);
 
     // Install Array.prototype.some
-    InstallArrayBuiltinFunction(proto, "some", Builtins::kArraySome, 2);
+    InstallArrayBuiltinFunction(
+        proto, "some", Builtins::kArraySome,
+        SharedFunctionInfo::kDontAdaptArgumentsSentinel);
 
     // Install Array.prototype.reduce
-    InstallArrayBuiltinFunction(proto, "reduce", Builtins::kArrayReduce, 2);
+    InstallArrayBuiltinFunction(
+        proto, "reduce", Builtins::kArrayReduce,
+        SharedFunctionInfo::kDontAdaptArgumentsSentinel);
 
     // Install Array.prototype.reduceRight
-    InstallArrayBuiltinFunction(proto, "reduceRight",
-                                Builtins::kArrayReduceRight, 2);
+    InstallArrayBuiltinFunction(
+        proto, "reduceRight", Builtins::kArrayReduceRight,
+        SharedFunctionInfo::kDontAdaptArgumentsSentinel);
   }
 
   // Install InternalArray.prototype.concat