[Ignition/turbo] Add a CallWithSpread bytecode.

src/parsing/parser-base.h

 // Copyright 2012 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.
 
 #ifndef V8_PARSING_PARSER_BASE_H
 #define V8_PARSING_PARSER_BASE_H
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/bailout-reason.h"
@@ skipping 2562 matching lines @@
     Scanner::Location* first_spread_arg_loc, bool maybe_arrow, bool* ok) {
   // Arguments ::
   //   '(' (AssignmentExpression)*[','] ')'
 
   Scanner::Location spread_arg = Scanner::Location::invalid();
   ExpressionListT result = impl()->NewExpressionList(4);
   Expect(Token::LPAREN, CHECK_OK_CUSTOM(NullExpressionList));
   bool done = (peek() == Token::RPAREN);
   bool was_unspread = false;
   int unspread_sequences_count = 0;
+  int spread_count = 0;
   while (!done) {
     int start_pos = peek_position();
     bool is_spread = Check(Token::ELLIPSIS);
     int expr_pos = peek_position();
 
     ExpressionT argument =
         ParseAssignmentExpression(true, CHECK_OK_CUSTOM(NullExpressionList));
     if (!maybe_arrow) {
       impl()->RewriteNonPattern(CHECK_OK_CUSTOM(NullExpressionList));
     }
     if (is_spread) {
       if (!spread_arg.IsValid()) {
         spread_arg.beg_pos = start_pos;
         spread_arg.end_pos = peek_position();
       }
       argument = factory()->NewSpread(argument, start_pos, expr_pos);
     }
     result->Add(argument, zone_);
 
     // unspread_sequences_count is the number of sequences of parameters which
     // are not prefixed with a spread '...' operator.
     if (is_spread) {
       was_unspread = false;
+      spread_count++;
     } else if (!was_unspread) {
       was_unspread = true;
       unspread_sequences_count++;
     }
 
     if (result->length() > Code::kMaxArguments) {
       ReportMessage(MessageTemplate::kTooManyArguments);
       *ok = false;
       return impl()->NullExpressionList();
     }
@@ skipping 15 matching lines @@
   *first_spread_arg_loc = spread_arg;
 
   if (!maybe_arrow || peek() != Token::ARROW) {
     if (maybe_arrow) {
       impl()->RewriteNonPattern(CHECK_OK_CUSTOM(NullExpressionList));
     }
     if (spread_arg.IsValid()) {
       // Unspread parameter sequences are translated into array literals in the
       // parser. Ensure that the number of materialized literals matches between
       // the parser and preparser
-      impl()->MaterializeUnspreadArgumentsLiterals(unspread_sequences_count);
+      if (was_unspread || spread_count > 1) {
+        // There was more than one spread, or the spread was not the final
+        // argument, so the parser will materialize literals.
+        impl()->MaterializeUnspreadArgumentsLiterals(unspread_sequences_count);
+      }
     }
   }
 
   return result;
 }
 
 // Precedence = 2
 template <typename Impl>
 typename ParserBase<Impl>::ExpressionT
 ParserBase<Impl>::ParseAssignmentExpression(bool accept_IN, bool* ok) {
@@ skipping 521 matching lines @@
         // The calls that need special treatment are the
         // direct eval calls. These calls are all of the form eval(...), with
         // no explicit receiver.
         // These calls are marked as potentially direct eval calls. Whether
         // they are actually direct calls to eval is determined at run time.
         Call::PossiblyEval is_possibly_eval =
             CheckPossibleEvalCall(result, scope());
 
         bool is_super_call = result->IsSuperCallReference();
         if (spread_pos.IsValid()) {
-          result = impl()->SpreadCall(result, args, pos);
+          result = impl()->SpreadCall(result, args, pos, is_possibly_eval);
         } else {
           result = factory()->NewCall(result, args, pos, is_possibly_eval);
         }
 
         // Explicit calls to the super constructor using super() perform an
         // implicit binding assignment to the 'this' variable.
         if (is_super_call) {
           ExpressionT this_expr = impl()->ThisExpression(pos);
           result =
               factory()->NewAssignment(Token::INIT, this_expr, result, pos);
@@ skipping 2335 matching lines @@
     has_seen_constructor_ = true;
     return;
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_BASE_H