AuroraMiddleware/v8
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[interpreter] support async functions in Ignition

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BUG=v8:4483, v8:4907, 618603
LOG=N
R=neis@chromium.org, yangguo@chromium.org, littledan@chromium.org

Review-Url: https://codereview.chromium.org/2051423003
Cr-Commit-Position: refs/heads/master@{#36938}
This commit is contained in:
caitpotter88 2016-06-13 10:19:47 -07:00 committed by Commit bot
parent ac1587bb86
commit 1a30866239
3 changed files with 21 additions and 3 deletions
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4
src/globals.h
View File

@ -1024,6 +1024,10 @@ inline bool IsAsyncFunction(FunctionKind kind) {
return kind & FunctionKind::kAsyncFunction; return kind & FunctionKind::kAsyncFunction;
} }
inline bool IsResumableFunction(FunctionKind kind) {
return IsGeneratorFunction(kind) || IsAsyncFunction(kind);
}
inline bool IsConciseMethod(FunctionKind kind) { inline bool IsConciseMethod(FunctionKind kind) {
DCHECK(IsValidFunctionKind(kind)); DCHECK(IsValidFunctionKind(kind));
return kind & FunctionKind::kConciseMethod; return kind & FunctionKind::kConciseMethod;

6
src/interpreter/bytecode-generator.cc
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@ -571,7 +571,7 @@ Handle<BytecodeArray> BytecodeGenerator::MakeBytecode() {
RegisterAllocationScope register_scope(this); RegisterAllocationScope register_scope(this);
if (IsGeneratorFunction(info()->literal()->kind())) { if (IsResumableFunction(info()->literal()->kind())) {
generator_state_ = register_allocator()->NewRegister(); generator_state_ = register_allocator()->NewRegister();
VisitGeneratorPrologue(); VisitGeneratorPrologue();
} }
@ -698,8 +698,8 @@ void BytecodeGenerator::VisitGeneratorPrologue() {
builder()->Bind(&regular_call); builder()->Bind(&regular_call);
// This is a regular call. Fall through to the ordinary function prologue, // This is a regular call. Fall through to the ordinary function prologue,
// after which we will run into the generator object creation and the initial // after which we will run into the generator object creation and other extra
// yield (both inserted by the parser). // code inserted by the parser.
} }
void BytecodeGenerator::VisitBlock(Block* stmt) { void BytecodeGenerator::VisitBlock(Block* stmt) {

14
test/mjsunit/harmony/regress/regress-618603.js Normal file
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@ -0,0 +1,14 @@
// 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: --harmony-async-await --ignition-generators
try {
} catch(e) {; }
function __f_7(expected, run) {
var __v_10 = run();
};
__f_7("[1,2,3]", () => (function() {
return (async () => {[...await arguments] })();
})());