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deps: V8: cherry-pick 031b98b25cba #45375

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merged 1 commit into from Nov 11, 2022
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2 changes: 1 addition & 1 deletion common.gypi
Expand Up @@ -36,7 +36,7 @@

# Reset this number to 0 on major V8 upgrades.
# Increment by one for each non-official patch applied to deps/v8.
'v8_embedder_string': '-node.18',
'v8_embedder_string': '-node.19',

##### V8 defaults for Node.js #####

Expand Down
9 changes: 9 additions & 0 deletions deps/v8/src/execution/isolate.cc
Expand Up @@ -1949,6 +1949,15 @@ Object Isolate::UnwindAndFindHandler() {
// Special handling of termination exceptions, uncatchable by JavaScript and
// Wasm code, we unwind the handlers until the top ENTRY handler is found.
bool catchable_by_js = is_catchable_by_javascript(exception);
if (!catchable_by_js && !context().is_null()) {
// Because the array join stack will not pop the elements when throwing the
// uncatchable terminate exception, we need to clear the array join stack to
// avoid leaving the stack in an invalid state.
// See also CycleProtectedArrayJoin.
raw_native_context().set_array_join_stack(
ReadOnlyRoots(this).undefined_value());
}

int visited_frames = 0;

#if V8_ENABLE_WEBASSEMBLY
Expand Down
@@ -0,0 +1,48 @@
Tests that Runtime.evaluate with REPL mode correctly handles Array.prototype.join.
{
id : <messageId>
result : {
result : {
className : Array
description : Array(1)
objectId : <objectId>
subtype : array
type : object
}
}
}
{
id : <messageId>
result : {
exceptionDetails : {
columnNumber : -1
exception : {
className : EvalError
description : EvalError: Possible side-effect in debug-evaluate
objectId : <objectId>
subtype : error
type : object
}
exceptionId : <exceptionId>
lineNumber : -1
scriptId : <scriptId>
text : Uncaught
}
result : {
className : EvalError
description : EvalError: Possible side-effect in debug-evaluate
objectId : <objectId>
subtype : error
type : object
}
}
}
{
id : <messageId>
result : {
result : {
type : string
value : /a/
}
}
}
@@ -0,0 +1,32 @@
// Copyright 2022 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.

let {Protocol} = InspectorTest.start(
'Tests that Runtime.evaluate with REPL mode correctly handles \
Array.prototype.join.');

Protocol.Runtime.enable();
(async function () {
await evaluateReplWithSideEffects('a=[/a/]')
await evaluateRepl('a.toString()');
await evaluateReplWithSideEffects('a.toString()');

InspectorTest.completeTest();
})();

async function evaluateRepl(expression) {
InspectorTest.logMessage(await Protocol.Runtime.evaluate({
expression: expression,
replMode: true,
throwOnSideEffect: true
}));
}

async function evaluateReplWithSideEffects(expression) {
InspectorTest.logMessage(await Protocol.Runtime.evaluate({
expression: expression,
replMode: true,
throwOnSideEffect: false
}));
}
70 changes: 70 additions & 0 deletions deps/v8/test/unittests/execution/thread-termination-unittest.cc
Expand Up @@ -33,6 +33,7 @@
#include "src/init/v8.h"
#include "src/objects/objects-inl.h"
#include "test/unittests/test-utils.h"
#include "testing/gmock-support.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace v8 {
Expand Down Expand Up @@ -889,6 +890,75 @@ TEST_F(ThreadTerminationTest, TerminateConsole) {
CHECK(isolate()->IsExecutionTerminating());
}

TEST_F(ThreadTerminationTest, TerminationClearArrayJoinStack) {
internal::v8_flags.allow_natives_syntax = true;
HandleScope scope(isolate());
Local<ObjectTemplate> global_template =
CreateGlobalTemplate(isolate(), TerminateCurrentThread, DoLoopNoCall);
{
Local<Context> context = Context::New(isolate(), nullptr, global_template);
Context::Scope context_scope(context);
{
TryCatch try_catch(isolate());
TryRunJS(
"var error = false;"
"var a = [{toString(){if(error)loop()}}];"
"function Join(){ return a.join();}; "
"%PrepareFunctionForOptimization(Join);"
"Join();"
"%OptimizeFunctionOnNextCall(Join);"
"error = true;"
"Join();");
CHECK(try_catch.HasTerminated());
CHECK(isolate()->IsExecutionTerminating());
}
EXPECT_THAT(RunJS("a[0] = 1; Join();"), testing::IsString("1"));
}
{
Local<Context> context = Context::New(isolate(), nullptr, global_template);
Context::Scope context_scope(context);
{
TryCatch try_catch(isolate());
TryRunJS(
"var a = [{toString(){loop()}}];"
"function Join(){ return a.join();}; "
"Join();");
CHECK(try_catch.HasTerminated());
CHECK(isolate()->IsExecutionTerminating());
}
EXPECT_THAT(RunJS("a[0] = 1; Join();"), testing::IsString("1"));
}
{
ConsoleImpl console;
debug::SetConsoleDelegate(isolate(), &console);
HandleScope scope(isolate());
Local<Context> context = Context::New(isolate(), nullptr, global_template);
Context::Scope context_scope(context);
{
// setup console global.
HandleScope scope(isolate());
Local<String> name = String::NewFromUtf8Literal(
isolate(), "console", NewStringType::kInternalized);
Local<Value> console = context->GetExtrasBindingObject()
->Get(context, name)
.ToLocalChecked();
context->Global()->Set(context, name, console).FromJust();
}
CHECK(!isolate()->IsExecutionTerminating());
{
TryCatch try_catch(isolate());
CHECK(!isolate()->IsExecutionTerminating());
CHECK(TryRunJS("var a = [{toString(){terminate();console.log();fail()}}];"
"function Join() {return a.join();}"
"Join();")
.IsEmpty());
CHECK(try_catch.HasCaught());
CHECK(isolate()->IsExecutionTerminating());
}
EXPECT_THAT(RunJS("a[0] = 1; Join();"), testing::IsString("1"));
}
}

class TerminatorSleeperThread : public base::Thread {
public:
explicit TerminatorSleeperThread(Isolate* isolate, int sleep_ms)
Expand Down