[fullcode] Restore context after calling ToNumber builtin.

BUG=chromium:628573

Review-Url: https://codereview.chromium.org/2153783002
Cr-Commit-Position: refs/heads/master@{#37796}

src/full-codegen/arm/full-codegen-arm.cc

@@ -3291,6 +3291,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   // Convert old value into a number.
   __ Call(isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
+  RestoreContext();
   PrepareForBailoutForId(expr->ToNumberId(), BailoutState::TOS_REGISTER);
 
   // Save result for postfix expressions.

src/full-codegen/arm64/full-codegen-arm64.cc

@@ -3208,6 +3208,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   // Convert old value into a number.
   __ Call(isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
+  RestoreContext();
   PrepareForBailoutForId(expr->ToNumberId(), BailoutState::TOS_REGISTER);
 
   // Save result for postfix expressions.

src/full-codegen/ia32/full-codegen-ia32.cc

@@ -3187,6 +3187,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   // Convert old value into a number.
   __ Call(isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
+  RestoreContext();
   PrepareForBailoutForId(expr->ToNumberId(), BailoutState::TOS_REGISTER);
 
   // Save result for postfix expressions.

src/full-codegen/mips/full-codegen-mips.cc

@@ -3297,6 +3297,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   // Convert old value into a number.
   __ Call(isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
+  RestoreContext();
   PrepareForBailoutForId(expr->ToNumberId(), BailoutState::TOS_REGISTER);
 
   // Save result for postfix expressions.

src/full-codegen/mips64/full-codegen-mips64.cc

@@ -3297,6 +3297,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   // Convert old value into a number.
   __ Call(isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
+  RestoreContext();
   PrepareForBailoutForId(expr->ToNumberId(), BailoutState::TOS_REGISTER);
 
   // Save result for postfix expressions.

src/full-codegen/ppc/full-codegen-ppc.cc

@@ -3285,6 +3285,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   // Convert old value into a number.
   __ Call(isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
+  RestoreContext();
   PrepareForBailoutForId(expr->ToNumberId(), BailoutState::TOS_REGISTER);
 
   // Save result for postfix expressions.

src/full-codegen/s390/full-codegen-s390.cc

@@ -3206,6 +3206,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   // Convert old value into a number.
   __ Call(isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
+  RestoreContext();
   PrepareForBailoutForId(expr->ToNumberId(), BailoutState::TOS_REGISTER);
 
   // Save result for postfix expressions.

src/full-codegen/x64/full-codegen-x64.cc

@@ -3178,6 +3178,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   // Convert old value into a number.
   __ Call(isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
+  RestoreContext();
   PrepareForBailoutForId(expr->ToNumberId(), BailoutState::TOS_REGISTER);
 
   // Save result for postfix expressions.

src/full-codegen/x87/full-codegen-x87.cc

@@ -3179,6 +3179,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
 
   // Convert old value into a number.
   __ Call(isolate()->builtins()->ToNumber(), RelocInfo::CODE_TARGET);
+  RestoreContext();
   PrepareForBailoutForId(expr->ToNumberId(), BailoutState::TOS_REGISTER);
 
   // Save result for postfix expressions.

test/mjsunit/regress/regress-crbug-628573.js

+// Copyright 2016 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.
+
+// Flags: --allow-natives-syntax
+
+var z = {valueOf: function() { return 3; }};
+
+(function() {
+  try {
+    var tmp = { x: 12 };
+    with (tmp) {
+      z++;
+    }
+    throw new Error("boom");
+  } catch(e) {}
+})();