[es6] Spread in array literals

src/full-codegen.cc

 // 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.
 
 #include "src/v8.h"
 
 #include "src/ast.h"
 #include "src/ast-numbering.h"
 #include "src/code-factory.h"
 #include "src/codegen.h"
@@ skipping 249 matching lines @@
   }
 }
 
 
 void BreakableStatementChecker::VisitCompareOperation(CompareOperation* expr) {
   Visit(expr->left());
   Visit(expr->right());
 }
 
 
-void BreakableStatementChecker::VisitSpread(Spread* expr) { UNREACHABLE(); }
+void BreakableStatementChecker::VisitSpread(Spread* expr) {
+  Visit(expr->expression());
+}
 
 
 void BreakableStatementChecker::VisitThisFunction(ThisFunction* expr) {
 }
 
 
 void BreakableStatementChecker::VisitSuperReference(SuperReference* expr) {}
 
 
 #define __ ACCESS_MASM(masm())
@@ skipping 1352 matching lines @@
   }
   codegen_->PrepareForBailoutForId(exit_id_, NO_REGISTERS);
   codegen_->scope_ = saved_scope_;
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal