From 091d00f1bd22f821d3926c46dd1d6cf7fbc746f4 Mon Sep 17 00:00:00 2001
From: Gaming4JC <g4jc@hyperbola.info>
Date: Sun, 14 Jul 2019 16:37:57 -0400
Subject: 1339395 - Part 2: Add parser support for rest and spread object
 properties.

---
 js/src/frontend/BytecodeEmitter.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'js/src/frontend/BytecodeEmitter.cpp')

diff --git a/js/src/frontend/BytecodeEmitter.cpp b/js/src/frontend/BytecodeEmitter.cpp
index c2eae4344..f9a1f8675 100644
--- a/js/src/frontend/BytecodeEmitter.cpp
+++ b/js/src/frontend/BytecodeEmitter.cpp
@@ -5815,6 +5815,11 @@ BytecodeEmitter::emitDestructuringOpsObject(ParseNode* pattern, DestructuringFla
         return false;
 
     for (ParseNode* member = pattern->pn_head; member; member = member->pn_next) {
+        if (member->isKind(PNK_SPREAD)) {
+            // FIXME: Implement
+            continue;
+        }
+
         ParseNode* subpattern;
         if (member->isKind(PNK_MUTATEPROTO))
             subpattern = member->pn_kid;
@@ -9449,6 +9454,13 @@ BytecodeEmitter::emitPropertyList(ParseNode* pn, MutableHandlePlainObject objp,
             continue;
         }
 
+        if (propdef->isKind(PNK_SPREAD)) {
+            MOZ_ASSERT(type == ObjectLiteral);
+            objp.set(nullptr);
+            // FIXME: implement
+            continue;
+        }
+
         bool extraPop = false;
         if (type == ClassBody && propdef->as<ClassMethod>().isStatic()) {
             extraPop = true;
-- 
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