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|
#
# Autogenerated by generate-bytecode-expectations.
#
---
wrap: no
test function name: f
async iteration: yes
---
snippet: "
async function f() {
for await (let x of [1, 2, 3]) {}
}
f();
"
frame size: 23
parameter count: 1
bytecode array length: 589
bytecodes: [
B(Ldar), R(2),
B(JumpIfUndefined), U8(18),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(2), U8(1),
B(PushContext), R(12),
B(RestoreGeneratorState), R(2),
B(Star), R(11),
B(SwitchOnSmiNoFeedback), U8(0), U8(3), I8(0),
B(Abort), U8(42),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(Mov), R(closure), R(12),
B(Mov), R(this), R(13),
B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(12), U8(2),
B(Star), R(2),
/* 16 E> */ B(StackCheck),
B(CallJSRuntime), U8(%async_function_promise_create), R(0), U8(0),
B(Star), R(10),
B(Mov), R(context), R(14),
B(Mov), R(context), R(15),
B(LdaZero),
B(Star), R(6),
B(Mov), R(context), R(18),
B(Mov), R(context), R(19),
/* 43 S> */ B(CreateArrayLiteral), U8(3), U8(0), U8(37),
B(Star), R(20),
B(LdaNamedProperty), R(20), U8(4), U8(1),
B(JumpIfUndefined), U8(17),
B(JumpIfNull), U8(15),
B(Star), R(21),
B(CallProperty0), R(21), R(20), U8(3),
B(JumpIfJSReceiver), U8(23),
B(CallRuntime), U16(Runtime::kThrowSymbolAsyncIteratorInvalid), R(0), U8(0),
B(LdaNamedProperty), R(20), U8(5), U8(5),
B(Star), R(21),
B(CallProperty0), R(21), R(20), U8(7),
B(Star), R(21),
B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(21), U8(1),
B(Star), R(4),
B(Ldar), R(11),
B(SwitchOnSmiNoFeedback), U8(6), U8(1), I8(0),
B(LdaSmi), I8(-2),
/* 43 E> */ B(TestEqualStrictNoFeedback), R(11),
B(JumpIfTrue), U8(4),
B(Abort), U8(42),
/* 40 S> */ B(LdaNamedProperty), R(4), U8(7), U8(9),
B(Star), R(20),
B(CallProperty0), R(20), R(4), U8(11),
B(Star), R(21),
B(Mov), R(2), R(20),
B(Mov), R(10), R(22),
B(CallJSRuntime), U8(%async_function_await_uncaught), R(20), U8(3),
B(SuspendGenerator), R(2), R(0), U8(20), U8(0),
/* 57 S> */ B(Return),
B(RestoreGeneratorRegisters), R(2), R(0), U8(20),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(2), U8(1),
B(Star), R(20),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(2), U8(1),
B(Star), R(21),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(21),
B(JumpIfTrue), U8(5),
B(Ldar), R(20),
B(ReThrow),
B(Mov), R(20), R(5),
/* 40 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(20), U8(1),
B(ToBooleanLogicalNot),
B(JumpIfFalse), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(5), U8(1),
B(LdaNamedProperty), R(5), U8(8), U8(13),
B(JumpIfToBooleanTrue), U8(25),
B(LdaNamedProperty), R(5), U8(9), U8(15),
B(Star), R(7),
B(LdaSmi), I8(2),
B(Star), R(6),
B(Mov), R(7), R(3),
/* 23 E> */ B(StackCheck),
B(Mov), R(3), R(0),
B(LdaZero),
B(Star), R(6),
B(JumpLoop), U8(111), I8(0),
B(Jump), U8(40),
B(Star), R(20),
B(Ldar), R(closure),
B(CreateCatchContext), R(20), U8(10), U8(11),
B(Star), R(19),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(19),
B(PushContext), R(20),
B(LdaSmi), I8(2),
B(TestEqualStrict), R(6), U8(17),
B(JumpIfFalse), U8(6),
B(LdaSmi), I8(1),
B(Star), R(6),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(21),
B(CallRuntime), U16(Runtime::kReThrow), R(21), U8(1),
B(PopContext), R(20),
B(LdaSmi), I8(-1),
B(Star), R(17),
B(Star), R(16),
B(Jump), U8(7),
B(Star), R(17),
B(LdaZero),
B(Star), R(16),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(18),
B(LdaZero),
B(TestEqualStrict), R(6), U8(18),
B(JumpIfTrue), U8(199),
B(LdaNamedProperty), R(4), U8(12), U8(19),
B(Star), R(8),
B(TestUndetectable),
B(JumpIfFalse), U8(4),
B(Jump), U8(188),
B(LdaSmi), I8(1),
B(TestEqualStrict), R(6), U8(21),
B(JumpIfFalse), U8(109),
B(Ldar), R(8),
B(TestTypeOf), U8(6),
B(JumpIfFalse), U8(4),
B(Jump), U8(18),
B(Wide), B(LdaSmi), I16(143),
B(Star), R(19),
B(LdaConstant), U8(13),
B(Star), R(20),
B(CallRuntime), U16(Runtime::kNewTypeError), R(19), U8(2),
B(Throw),
B(Mov), R(context), R(19),
B(Mov), R(8), R(20),
B(Mov), R(4), R(21),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(20), U8(2),
B(Star), R(21),
B(Mov), R(2), R(20),
B(Mov), R(10), R(22),
B(CallJSRuntime), U8(%async_function_await_caught), R(20), U8(3),
B(SuspendGenerator), R(2), R(0), U8(20), U8(1),
/* 57 S> */ B(Return),
B(RestoreGeneratorRegisters), R(2), R(0), U8(20),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(2), U8(1),
B(Star), R(20),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(2), U8(1),
B(Star), R(21),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(21),
B(JumpIfTrue), U8(5),
B(Ldar), R(20),
B(ReThrow),
B(Ldar), R(20),
B(Jump), U8(20),
B(Star), R(20),
B(Ldar), R(closure),
B(CreateCatchContext), R(20), U8(10), U8(14),
B(Star), R(19),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(19),
B(PushContext), R(20),
B(PopContext), R(20),
B(Jump), U8(74),
B(Mov), R(8), R(19),
B(Mov), R(4), R(20),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(19), U8(2),
B(Star), R(20),
B(Mov), R(2), R(19),
B(Mov), R(10), R(21),
B(CallJSRuntime), U8(%async_function_await_uncaught), R(19), U8(3),
B(SuspendGenerator), R(2), R(0), U8(19), U8(2),
/* 57 S> */ B(Return),
B(RestoreGeneratorRegisters), R(2), R(0), U8(19),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(2), U8(1),
B(Star), R(19),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(2), U8(1),
B(Star), R(20),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(20),
B(JumpIfTrue), U8(5),
B(Ldar), R(19),
B(ReThrow),
B(Mov), R(19), R(9),
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(19), U8(1),
B(JumpIfToBooleanFalse), U8(4),
B(Jump), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(9), U8(1),
B(Ldar), R(18),
B(SetPendingMessage),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(16),
B(JumpIfFalse), U8(5),
B(Ldar), R(17),
B(ReThrow),
B(LdaUndefined),
B(Star), R(17),
B(Mov), R(10), R(16),
B(CallJSRuntime), U8(%promise_resolve), R(16), U8(2),
B(LdaZero),
B(Star), R(12),
B(Mov), R(10), R(13),
B(Jump), U8(58),
B(Jump), U8(42),
B(Star), R(16),
B(Ldar), R(closure),
B(CreateCatchContext), R(16), U8(10), U8(15),
B(Star), R(15),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(15),
B(PushContext), R(16),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(18),
B(LdaFalse),
B(Star), R(19),
B(Mov), R(10), R(17),
B(CallJSRuntime), U8(%promise_internal_reject), R(17), U8(3),
B(PopContext), R(16),
B(LdaZero),
B(Star), R(12),
B(Mov), R(10), R(13),
B(Jump), U8(16),
B(LdaSmi), I8(-1),
B(Star), R(13),
B(Star), R(12),
B(Jump), U8(8),
B(Star), R(13),
B(LdaSmi), I8(1),
B(Star), R(12),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(14),
B(CallJSRuntime), U8(%async_function_promise_release), R(10), U8(1),
B(Ldar), R(14),
B(SetPendingMessage),
B(Ldar), R(12),
B(SwitchOnSmiNoFeedback), U8(16), U8(2), I8(0),
B(Jump), U8(8),
B(Ldar), R(13),
/* 57 S> */ B(Return),
B(Ldar), R(13),
B(ReThrow),
B(LdaUndefined),
/* 57 S> */ B(Return),
]
constant pool: [
Smi [89],
Smi [339],
Smi [419],
TUPLE2_TYPE,
SYMBOL_TYPE,
SYMBOL_TYPE,
Smi [40],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
FIXED_ARRAY_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
FIXED_ARRAY_TYPE,
FIXED_ARRAY_TYPE,
Smi [6],
Smi [9],
]
handlers: [
[46, 548, 556],
[49, 506, 508],
[55, 257, 265],
[58, 217, 219],
[325, 383, 385],
]
---
snippet: "
async function f() {
for await (let x of [1, 2, 3]) { return x; }
}
f();
"
frame size: 23
parameter count: 1
bytecode array length: 618
bytecodes: [
B(Ldar), R(2),
B(JumpIfUndefined), U8(18),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(2), U8(1),
B(PushContext), R(12),
B(RestoreGeneratorState), R(2),
B(Star), R(11),
B(SwitchOnSmiNoFeedback), U8(0), U8(3), I8(0),
B(Abort), U8(42),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(Mov), R(closure), R(12),
B(Mov), R(this), R(13),
B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(12), U8(2),
B(Star), R(2),
/* 16 E> */ B(StackCheck),
B(CallJSRuntime), U8(%async_function_promise_create), R(0), U8(0),
B(Star), R(10),
B(Mov), R(context), R(14),
B(Mov), R(context), R(15),
B(LdaZero),
B(Star), R(6),
B(Mov), R(context), R(18),
B(Mov), R(context), R(19),
/* 43 S> */ B(CreateArrayLiteral), U8(3), U8(0), U8(37),
B(Star), R(20),
B(LdaNamedProperty), R(20), U8(4), U8(1),
B(JumpIfUndefined), U8(17),
B(JumpIfNull), U8(15),
B(Star), R(21),
B(CallProperty0), R(21), R(20), U8(3),
B(JumpIfJSReceiver), U8(23),
B(CallRuntime), U16(Runtime::kThrowSymbolAsyncIteratorInvalid), R(0), U8(0),
B(LdaNamedProperty), R(20), U8(5), U8(5),
B(Star), R(21),
B(CallProperty0), R(21), R(20), U8(7),
B(Star), R(21),
B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(21), U8(1),
B(Star), R(4),
B(Ldar), R(11),
B(SwitchOnSmiNoFeedback), U8(6), U8(1), I8(0),
B(LdaSmi), I8(-2),
/* 43 E> */ B(TestEqualStrictNoFeedback), R(11),
B(JumpIfTrue), U8(4),
B(Abort), U8(42),
/* 40 S> */ B(LdaNamedProperty), R(4), U8(7), U8(9),
B(Star), R(20),
B(CallProperty0), R(20), R(4), U8(11),
B(Star), R(21),
B(Mov), R(2), R(20),
B(Mov), R(10), R(22),
B(CallJSRuntime), U8(%async_function_await_uncaught), R(20), U8(3),
B(SuspendGenerator), R(2), R(0), U8(20), U8(0),
/* 68 S> */ B(Return),
B(RestoreGeneratorRegisters), R(2), R(0), U8(20),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(2), U8(1),
B(Star), R(20),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(2), U8(1),
B(Star), R(21),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(21),
B(JumpIfTrue), U8(5),
B(Ldar), R(20),
B(ReThrow),
B(Mov), R(20), R(5),
/* 40 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(20), U8(1),
B(ToBooleanLogicalNot),
B(JumpIfFalse), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(5), U8(1),
B(LdaNamedProperty), R(5), U8(8), U8(13),
B(JumpIfToBooleanTrue), U8(27),
B(LdaNamedProperty), R(5), U8(9), U8(15),
B(Star), R(7),
B(LdaSmi), I8(2),
B(Star), R(6),
B(Mov), R(7), R(3),
/* 23 E> */ B(StackCheck),
B(Mov), R(3), R(0),
/* 56 S> */ B(LdaZero),
B(Star), R(16),
B(Mov), R(7), R(17),
B(Jump), U8(56),
B(Jump), U8(40),
B(Star), R(20),
B(Ldar), R(closure),
B(CreateCatchContext), R(20), U8(10), U8(11),
B(Star), R(19),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(19),
B(PushContext), R(20),
B(LdaSmi), I8(2),
B(TestEqualStrict), R(6), U8(17),
B(JumpIfFalse), U8(6),
B(LdaSmi), I8(1),
B(Star), R(6),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(21),
B(CallRuntime), U16(Runtime::kReThrow), R(21), U8(1),
B(PopContext), R(20),
B(LdaSmi), I8(-1),
B(Star), R(17),
B(Star), R(16),
B(Jump), U8(8),
B(Star), R(17),
B(LdaSmi), I8(1),
B(Star), R(16),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(18),
B(LdaZero),
B(TestEqualStrict), R(6), U8(18),
B(JumpIfTrue), U8(199),
B(LdaNamedProperty), R(4), U8(12), U8(19),
B(Star), R(8),
B(TestUndetectable),
B(JumpIfFalse), U8(4),
B(Jump), U8(188),
B(LdaSmi), I8(1),
B(TestEqualStrict), R(6), U8(21),
B(JumpIfFalse), U8(109),
B(Ldar), R(8),
B(TestTypeOf), U8(6),
B(JumpIfFalse), U8(4),
B(Jump), U8(18),
B(Wide), B(LdaSmi), I16(143),
B(Star), R(19),
B(LdaConstant), U8(13),
B(Star), R(20),
B(CallRuntime), U16(Runtime::kNewTypeError), R(19), U8(2),
B(Throw),
B(Mov), R(context), R(19),
B(Mov), R(8), R(20),
B(Mov), R(4), R(21),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(20), U8(2),
B(Star), R(21),
B(Mov), R(2), R(20),
B(Mov), R(10), R(22),
B(CallJSRuntime), U8(%async_function_await_caught), R(20), U8(3),
B(SuspendGenerator), R(2), R(0), U8(20), U8(1),
/* 68 S> */ B(Return),
B(RestoreGeneratorRegisters), R(2), R(0), U8(20),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(2), U8(1),
B(Star), R(20),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(2), U8(1),
B(Star), R(21),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(21),
B(JumpIfTrue), U8(5),
B(Ldar), R(20),
B(ReThrow),
B(Ldar), R(20),
B(Jump), U8(20),
B(Star), R(20),
B(Ldar), R(closure),
B(CreateCatchContext), R(20), U8(10), U8(14),
B(Star), R(19),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(19),
B(PushContext), R(20),
B(PopContext), R(20),
B(Jump), U8(74),
B(Mov), R(8), R(19),
B(Mov), R(4), R(20),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(19), U8(2),
B(Star), R(20),
B(Mov), R(2), R(19),
B(Mov), R(10), R(21),
B(CallJSRuntime), U8(%async_function_await_uncaught), R(19), U8(3),
B(SuspendGenerator), R(2), R(0), U8(19), U8(2),
/* 68 S> */ B(Return),
B(RestoreGeneratorRegisters), R(2), R(0), U8(19),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(2), U8(1),
B(Star), R(19),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(2), U8(1),
B(Star), R(20),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(20),
B(JumpIfTrue), U8(5),
B(Ldar), R(19),
B(ReThrow),
B(Mov), R(19), R(9),
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(19), U8(1),
B(JumpIfToBooleanFalse), U8(4),
B(Jump), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(9), U8(1),
B(Ldar), R(18),
B(SetPendingMessage),
B(Ldar), R(16),
B(SwitchOnSmiNoFeedback), U8(15), U8(2), I8(0),
B(Jump), U8(13),
B(LdaZero),
B(Star), R(12),
B(Mov), R(17), R(13),
B(Jump), U8(81),
B(Ldar), R(17),
B(ReThrow),
B(LdaUndefined),
B(Star), R(17),
B(Mov), R(10), R(16),
B(CallJSRuntime), U8(%promise_resolve), R(16), U8(2),
B(LdaSmi), I8(1),
B(Star), R(12),
B(Mov), R(10), R(13),
B(Jump), U8(59),
B(Jump), U8(43),
B(Star), R(16),
B(Ldar), R(closure),
B(CreateCatchContext), R(16), U8(10), U8(17),
B(Star), R(15),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(15),
B(PushContext), R(16),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(18),
B(LdaFalse),
B(Star), R(19),
B(Mov), R(10), R(17),
B(CallJSRuntime), U8(%promise_internal_reject), R(17), U8(3),
B(PopContext), R(16),
B(LdaSmi), I8(1),
B(Star), R(12),
B(Mov), R(10), R(13),
B(Jump), U8(16),
B(LdaSmi), I8(-1),
B(Star), R(13),
B(Star), R(12),
B(Jump), U8(8),
B(Star), R(13),
B(LdaSmi), I8(2),
B(Star), R(12),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(14),
B(CallJSRuntime), U8(%async_function_promise_release), R(10), U8(1),
B(Ldar), R(14),
B(SetPendingMessage),
B(Ldar), R(12),
B(SwitchOnSmiNoFeedback), U8(18), U8(3), I8(0),
B(Jump), U8(21),
B(Mov), R(10), R(15),
B(Mov), R(13), R(16),
B(CallJSRuntime), U8(%promise_resolve), R(15), U8(2),
B(Ldar), R(10),
/* 68 S> */ B(Return),
B(Ldar), R(13),
/* 68 S> */ B(Return),
B(Ldar), R(13),
B(ReThrow),
B(LdaUndefined),
/* 68 S> */ B(Return),
]
constant pool: [
Smi [89],
Smi [342],
Smi [422],
TUPLE2_TYPE,
SYMBOL_TYPE,
SYMBOL_TYPE,
Smi [40],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
FIXED_ARRAY_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
FIXED_ARRAY_TYPE,
Smi [6],
Smi [14],
FIXED_ARRAY_TYPE,
Smi [6],
Smi [19],
Smi [22],
]
handlers: [
[46, 564, 572],
[49, 521, 523],
[55, 259, 267],
[58, 219, 221],
[328, 386, 388],
]
---
snippet: "
async function f() {
for await (let x of [10, 20, 30]) {
if (x == 10) continue;
if (x == 20) break;
}
}
f();
"
frame size: 23
parameter count: 1
bytecode array length: 607
bytecodes: [
B(Ldar), R(2),
B(JumpIfUndefined), U8(18),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(2), U8(1),
B(PushContext), R(12),
B(RestoreGeneratorState), R(2),
B(Star), R(11),
B(SwitchOnSmiNoFeedback), U8(0), U8(3), I8(0),
B(Abort), U8(42),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(Mov), R(closure), R(12),
B(Mov), R(this), R(13),
B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(12), U8(2),
B(Star), R(2),
/* 16 E> */ B(StackCheck),
B(CallJSRuntime), U8(%async_function_promise_create), R(0), U8(0),
B(Star), R(10),
B(Mov), R(context), R(14),
B(Mov), R(context), R(15),
B(LdaZero),
B(Star), R(6),
B(Mov), R(context), R(18),
B(Mov), R(context), R(19),
/* 43 S> */ B(CreateArrayLiteral), U8(3), U8(0), U8(37),
B(Star), R(20),
B(LdaNamedProperty), R(20), U8(4), U8(1),
B(JumpIfUndefined), U8(17),
B(JumpIfNull), U8(15),
B(Star), R(21),
B(CallProperty0), R(21), R(20), U8(3),
B(JumpIfJSReceiver), U8(23),
B(CallRuntime), U16(Runtime::kThrowSymbolAsyncIteratorInvalid), R(0), U8(0),
B(LdaNamedProperty), R(20), U8(5), U8(5),
B(Star), R(21),
B(CallProperty0), R(21), R(20), U8(7),
B(Star), R(21),
B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(21), U8(1),
B(Star), R(4),
B(Ldar), R(11),
B(SwitchOnSmiNoFeedback), U8(6), U8(1), I8(0),
B(LdaSmi), I8(-2),
/* 43 E> */ B(TestEqualStrictNoFeedback), R(11),
B(JumpIfTrue), U8(4),
B(Abort), U8(42),
/* 40 S> */ B(LdaNamedProperty), R(4), U8(7), U8(9),
B(Star), R(20),
B(CallProperty0), R(20), R(4), U8(11),
B(Star), R(21),
B(Mov), R(2), R(20),
B(Mov), R(10), R(22),
B(CallJSRuntime), U8(%async_function_await_uncaught), R(20), U8(3),
B(SuspendGenerator), R(2), R(0), U8(20), U8(0),
/* 114 S> */ B(Return),
B(RestoreGeneratorRegisters), R(2), R(0), U8(20),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(2), U8(1),
B(Star), R(20),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(2), U8(1),
B(Star), R(21),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(21),
B(JumpIfTrue), U8(5),
B(Ldar), R(20),
B(ReThrow),
B(Mov), R(20), R(5),
/* 40 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(20), U8(1),
B(ToBooleanLogicalNot),
B(JumpIfFalse), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(5), U8(1),
B(LdaNamedProperty), R(5), U8(8), U8(13),
B(JumpIfToBooleanTrue), U8(43),
B(LdaNamedProperty), R(5), U8(9), U8(15),
B(Star), R(7),
B(LdaSmi), I8(2),
B(Star), R(6),
B(Mov), R(7), R(3),
/* 23 E> */ B(StackCheck),
B(Mov), R(3), R(0),
/* 63 S> */ B(LdaSmi), I8(10),
/* 69 E> */ B(TestEqual), R(0), U8(17),
B(JumpIfFalse), U8(4),
/* 76 S> */ B(Jump), U8(14),
/* 90 S> */ B(LdaSmi), I8(20),
/* 96 E> */ B(TestEqual), R(0), U8(18),
B(JumpIfFalse), U8(4),
/* 103 S> */ B(Jump), U8(8),
B(LdaZero),
B(Star), R(6),
B(JumpLoop), U8(129), I8(0),
B(Jump), U8(40),
B(Star), R(20),
B(Ldar), R(closure),
B(CreateCatchContext), R(20), U8(10), U8(11),
B(Star), R(19),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(19),
B(PushContext), R(20),
B(LdaSmi), I8(2),
B(TestEqualStrict), R(6), U8(19),
B(JumpIfFalse), U8(6),
B(LdaSmi), I8(1),
B(Star), R(6),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(21),
B(CallRuntime), U16(Runtime::kReThrow), R(21), U8(1),
B(PopContext), R(20),
B(LdaSmi), I8(-1),
B(Star), R(17),
B(Star), R(16),
B(Jump), U8(7),
B(Star), R(17),
B(LdaZero),
B(Star), R(16),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(18),
B(LdaZero),
B(TestEqualStrict), R(6), U8(20),
B(JumpIfTrue), U8(199),
B(LdaNamedProperty), R(4), U8(12), U8(21),
B(Star), R(8),
B(TestUndetectable),
B(JumpIfFalse), U8(4),
B(Jump), U8(188),
B(LdaSmi), I8(1),
B(TestEqualStrict), R(6), U8(23),
B(JumpIfFalse), U8(109),
B(Ldar), R(8),
B(TestTypeOf), U8(6),
B(JumpIfFalse), U8(4),
B(Jump), U8(18),
B(Wide), B(LdaSmi), I16(143),
B(Star), R(19),
B(LdaConstant), U8(13),
B(Star), R(20),
B(CallRuntime), U16(Runtime::kNewTypeError), R(19), U8(2),
B(Throw),
B(Mov), R(context), R(19),
B(Mov), R(8), R(20),
B(Mov), R(4), R(21),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(20), U8(2),
B(Star), R(21),
B(Mov), R(2), R(20),
B(Mov), R(10), R(22),
B(CallJSRuntime), U8(%async_function_await_caught), R(20), U8(3),
B(SuspendGenerator), R(2), R(0), U8(20), U8(1),
/* 114 S> */ B(Return),
B(RestoreGeneratorRegisters), R(2), R(0), U8(20),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(2), U8(1),
B(Star), R(20),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(2), U8(1),
B(Star), R(21),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(21),
B(JumpIfTrue), U8(5),
B(Ldar), R(20),
B(ReThrow),
B(Ldar), R(20),
B(Jump), U8(20),
B(Star), R(20),
B(Ldar), R(closure),
B(CreateCatchContext), R(20), U8(10), U8(14),
B(Star), R(19),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(19),
B(PushContext), R(20),
B(PopContext), R(20),
B(Jump), U8(74),
B(Mov), R(8), R(19),
B(Mov), R(4), R(20),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(19), U8(2),
B(Star), R(20),
B(Mov), R(2), R(19),
B(Mov), R(10), R(21),
B(CallJSRuntime), U8(%async_function_await_uncaught), R(19), U8(3),
B(SuspendGenerator), R(2), R(0), U8(19), U8(2),
/* 114 S> */ B(Return),
B(RestoreGeneratorRegisters), R(2), R(0), U8(19),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(2), U8(1),
B(Star), R(19),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(2), U8(1),
B(Star), R(20),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(20),
B(JumpIfTrue), U8(5),
B(Ldar), R(19),
B(ReThrow),
B(Mov), R(19), R(9),
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(19), U8(1),
B(JumpIfToBooleanFalse), U8(4),
B(Jump), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(9), U8(1),
B(Ldar), R(18),
B(SetPendingMessage),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(16),
B(JumpIfFalse), U8(5),
B(Ldar), R(17),
B(ReThrow),
B(LdaUndefined),
B(Star), R(17),
B(Mov), R(10), R(16),
B(CallJSRuntime), U8(%promise_resolve), R(16), U8(2),
B(LdaZero),
B(Star), R(12),
B(Mov), R(10), R(13),
B(Jump), U8(58),
B(Jump), U8(42),
B(Star), R(16),
B(Ldar), R(closure),
B(CreateCatchContext), R(16), U8(10), U8(15),
B(Star), R(15),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(15),
B(PushContext), R(16),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(18),
B(LdaFalse),
B(Star), R(19),
B(Mov), R(10), R(17),
B(CallJSRuntime), U8(%promise_internal_reject), R(17), U8(3),
B(PopContext), R(16),
B(LdaZero),
B(Star), R(12),
B(Mov), R(10), R(13),
B(Jump), U8(16),
B(LdaSmi), I8(-1),
B(Star), R(13),
B(Star), R(12),
B(Jump), U8(8),
B(Star), R(13),
B(LdaSmi), I8(1),
B(Star), R(12),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(14),
B(CallJSRuntime), U8(%async_function_promise_release), R(10), U8(1),
B(Ldar), R(14),
B(SetPendingMessage),
B(Ldar), R(12),
B(SwitchOnSmiNoFeedback), U8(16), U8(2), I8(0),
B(Jump), U8(8),
B(Ldar), R(13),
/* 114 S> */ B(Return),
B(Ldar), R(13),
B(ReThrow),
B(LdaUndefined),
/* 114 S> */ B(Return),
]
constant pool: [
Smi [89],
Smi [357],
Smi [437],
TUPLE2_TYPE,
SYMBOL_TYPE,
SYMBOL_TYPE,
Smi [40],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
FIXED_ARRAY_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
FIXED_ARRAY_TYPE,
FIXED_ARRAY_TYPE,
Smi [6],
Smi [9],
]
handlers: [
[46, 566, 574],
[49, 524, 526],
[55, 275, 283],
[58, 235, 237],
[343, 401, 403],
]
---
snippet: "
async function f() {
var x = { 'a': 1, 'b': 2 };
for (x['a'] of [1,2,3]) { return x['a']; }
}
f();
"
frame size: 19
parameter count: 1
bytecode array length: 417
bytecodes: [
/* 16 E> */ B(StackCheck),
B(CallJSRuntime), U8(%async_function_promise_create), R(0), U8(0),
B(Star), R(8),
B(Mov), R(context), R(11),
B(Mov), R(context), R(12),
/* 31 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(41), R(13),
B(Mov), R(13), R(1),
B(LdaZero),
B(Star), R(4),
B(Mov), R(context), R(15),
B(Mov), R(context), R(16),
/* 68 S> */ B(CreateArrayLiteral), U8(1), U8(1), U8(37),
B(Star), R(17),
B(LdaNamedProperty), R(17), U8(2), U8(2),
B(Star), R(18),
B(CallProperty0), R(18), R(17), U8(4),
B(JumpIfJSReceiver), U8(7),
B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
B(Star), R(2),
/* 59 S> */ B(LdaNamedProperty), R(2), U8(3), U8(6),
B(Star), R(17),
B(CallProperty0), R(17), R(2), U8(8),
B(Star), R(3),
/* 59 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(3), U8(1),
B(ToBooleanLogicalNot),
B(JumpIfFalse), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(3), U8(1),
B(LdaNamedProperty), R(3), U8(4), U8(10),
B(JumpIfToBooleanTrue), U8(30),
/* 58 E> */ B(LdaNamedProperty), R(3), U8(5), U8(12),
B(Star), R(5),
B(LdaSmi), I8(2),
B(Star), R(4),
B(Ldar), R(5),
B(StaNamedProperty), R(1), U8(6), U8(14),
/* 53 E> */ B(StackCheck),
/* 87 S> */ B(LdaNamedProperty), R(1), U8(6), U8(16),
B(Star), R(14),
B(LdaZero),
B(Star), R(13),
B(Jump), U8(56),
B(Jump), U8(40),
B(Star), R(17),
B(Ldar), R(closure),
B(CreateCatchContext), R(17), U8(7), U8(8),
B(Star), R(16),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(16),
B(PushContext), R(17),
B(LdaSmi), I8(2),
B(TestEqualStrict), R(4), U8(18),
B(JumpIfFalse), U8(6),
B(LdaSmi), I8(1),
B(Star), R(4),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(18),
B(CallRuntime), U16(Runtime::kReThrow), R(18), U8(1),
B(PopContext), R(17),
B(LdaSmi), I8(-1),
B(Star), R(14),
B(Star), R(13),
B(Jump), U8(8),
B(Star), R(14),
B(LdaSmi), I8(1),
B(Star), R(13),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(15),
B(LdaZero),
B(TestEqualStrict), R(4), U8(19),
B(JumpIfTrue), U8(104),
B(LdaNamedProperty), R(2), U8(9), U8(20),
B(Star), R(6),
B(TestUndetectable),
B(JumpIfFalse), U8(4),
B(Jump), U8(93),
B(LdaSmi), I8(1),
B(TestEqualStrict), R(4), U8(22),
B(JumpIfFalse), U8(61),
B(Ldar), R(6),
B(TestTypeOf), U8(6),
B(JumpIfFalse), U8(4),
B(Jump), U8(18),
B(Wide), B(LdaSmi), I16(143),
B(Star), R(16),
B(LdaConstant), U8(10),
B(Star), R(17),
B(CallRuntime), U16(Runtime::kNewTypeError), R(16), U8(2),
B(Throw),
B(Mov), R(context), R(16),
B(Mov), R(6), R(17),
B(Mov), R(2), R(18),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(17), U8(2),
B(Jump), U8(20),
B(Star), R(17),
B(Ldar), R(closure),
B(CreateCatchContext), R(17), U8(7), U8(11),
B(Star), R(16),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(16),
B(PushContext), R(17),
B(PopContext), R(17),
B(Jump), U8(27),
B(Mov), R(6), R(16),
B(Mov), R(2), R(17),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(16), U8(2),
B(Star), R(7),
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(7), U8(1),
B(JumpIfToBooleanFalse), U8(4),
B(Jump), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(7), U8(1),
B(Ldar), R(15),
B(SetPendingMessage),
B(Ldar), R(13),
B(SwitchOnSmiNoFeedback), U8(12), U8(2), I8(0),
B(Jump), U8(13),
B(LdaZero),
B(Star), R(9),
B(Mov), R(14), R(10),
B(Jump), U8(81),
B(Ldar), R(14),
B(ReThrow),
B(LdaUndefined),
B(Star), R(14),
B(Mov), R(8), R(13),
B(CallJSRuntime), U8(%promise_resolve), R(13), U8(2),
B(LdaSmi), I8(1),
B(Star), R(9),
B(Mov), R(8), R(10),
B(Jump), U8(59),
B(Jump), U8(43),
B(Star), R(13),
B(Ldar), R(closure),
B(CreateCatchContext), R(13), U8(7), U8(14),
B(Star), R(12),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(12),
B(PushContext), R(13),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(15),
B(LdaFalse),
B(Star), R(16),
B(Mov), R(8), R(14),
B(CallJSRuntime), U8(%promise_internal_reject), R(14), U8(3),
B(PopContext), R(13),
B(LdaSmi), I8(1),
B(Star), R(9),
B(Mov), R(8), R(10),
B(Jump), U8(16),
B(LdaSmi), I8(-1),
B(Star), R(10),
B(Star), R(9),
B(Jump), U8(8),
B(Star), R(10),
B(LdaSmi), I8(2),
B(Star), R(9),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(11),
B(CallJSRuntime), U8(%async_function_promise_release), R(8), U8(1),
B(Ldar), R(11),
B(SetPendingMessage),
B(Ldar), R(9),
B(SwitchOnSmiNoFeedback), U8(15), U8(3), I8(0),
B(Jump), U8(21),
B(Mov), R(8), R(12),
B(Mov), R(10), R(13),
B(CallJSRuntime), U8(%promise_resolve), R(12), U8(2),
B(Ldar), R(8),
/* 96 S> */ B(Return),
B(Ldar), R(10),
/* 96 S> */ B(Return),
B(Ldar), R(10),
B(ReThrow),
B(LdaUndefined),
/* 96 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
TUPLE2_TYPE,
SYMBOL_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["a"],
ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
FIXED_ARRAY_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
FIXED_ARRAY_TYPE,
Smi [6],
Smi [14],
FIXED_ARRAY_TYPE,
Smi [6],
Smi [19],
Smi [22],
]
handlers: [
[10, 363, 371],
[13, 320, 322],
[27, 153, 161],
[30, 113, 115],
[222, 232, 234],
]
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