[strong] Remove all remainders of strong mode

src/compiler/js-inlining.cc

 // Copyright 2014 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/compiler/js-inlining.h"
 
 #include "src/ast/ast.h"
 #include "src/ast/ast-numbering.h"
 #include "src/ast/scopes.h"
 #include "src/compiler.h"
@@ skipping 406 matching lines @@
   if (!Compiler::ParseAndAnalyze(info.parse_info())) {
     TRACE("Not inlining %s into %s because parsing failed\n",
           shared_info->DebugName()->ToCString().get(),
           info_->shared_info()->DebugName()->ToCString().get());
     if (info_->isolate()->has_pending_exception()) {
       info_->isolate()->clear_pending_exception();
     }
     return NoChange();
   }
 
-  // In strong mode, in case of too few arguments we need to throw a TypeError
-  // so we must not inline this call.
-  int parameter_count = info.literal()->parameter_count();
-  if (is_strong(info.language_mode()) &&
-      call.formal_arguments() < parameter_count) {
-    TRACE("Not inlining %s into %s because too few arguments for strong mode\n",
-          shared_info->DebugName()->ToCString().get(),
-          info_->shared_info()->DebugName()->ToCString().get());
-    return NoChange();
-  }
-
   if (!Compiler::EnsureDeoptimizationSupport(&info)) {
     TRACE("Not inlining %s into %s because deoptimization support failed\n",
           shared_info->DebugName()->ToCString().get(),
           info_->shared_info()->DebugName()->ToCString().get());
     return NoChange();
   }
   // Remember that we inlined this function. This needs to be called right
   // after we ensure deoptimization support so that the code flusher
   // does not remove the code with the deoptimization support.
   info_->AddInlinedFunction(shared_info);
@@ skipping 100 matching lines @@
     const CallFunctionParameters& p = CallFunctionParametersOf(node->op());
     if (p.tail_call_mode() == TailCallMode::kAllow) {
       frame_state = CreateTailCallerFrameState(node, frame_state);
     }
   }
 
   // Insert argument adaptor frame if required. The callees formal parameter
   // count (i.e. value outputs of start node minus target, receiver, new target,
   // arguments count and context) have to match the number of arguments passed
   // to the call.
+  int parameter_count = info.literal()->parameter_count();
   DCHECK_EQ(parameter_count, start->op()->ValueOutputCount() - 5);
   if (call.formal_arguments() != parameter_count) {
     frame_state = CreateArtificialFrameState(
         node, frame_state, call.formal_arguments(),
         FrameStateType::kArgumentsAdaptor, shared_info);
   }
 
   return InlineCall(node, new_target, context, frame_state, start, end);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8