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1639 lines
63 KiB

#
# 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: 17
parameter count: 1
bytecode array length: 946
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(25),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(1),
B(ResumeGenerator), R(new_target),
B(Star), R(0),
B(SwitchOnSmiNoFeedback), U8(0), U8(3), I8(0),
B(LdaSmi), I8(79),
B(Star), R(2),
B(CallRuntime), U16(Runtime::kAbort), R(2), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(0),
B(CreateFunctionContext), U8(12),
B(PushContext), R(2),
B(Mov), R(closure), R(3),
B(Mov), R(this), R(4),
B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(3), U8(2),
B(StaCurrentContextSlot), U8(4),
/* 16 E> */ B(StackCheck),
B(LdaUndefined),
B(Star), R(3),
B(CallJSRuntime), U8(%async_function_promise_create), R(3), U8(1),
B(StaCurrentContextSlot), U8(10),
B(Mov), R(context), R(5),
B(Mov), R(context), R(6),
B(Ldar), R(closure),
B(CreateBlockContext), U8(3),
B(PushContext), R(7),
B(LdaTheHole),
B(StaCurrentContextSlot), U8(4),
B(LdaZero),
B(StaContextSlot), R(7), U8(8), U8(0),
B(Mov), R(context), R(10),
B(Mov), R(context), R(11),
/* 43 S> */ B(CreateArrayLiteral), U8(4), U8(3), U8(17),
B(Star), R(12),
B(LdaNamedProperty), R(12), U8(5), U8(8),
B(JumpIfUndefined), U8(17),
B(JumpIfNull), U8(15),
B(Star), R(13),
B(CallProperty0), R(13), R(12), U8(10),
B(JumpIfJSReceiver), U8(23),
B(CallRuntime), U16(Runtime::kThrowSymbolAsyncIteratorInvalid), R(0), U8(0),
B(LdaNamedProperty), R(12), U8(6), U8(4),
B(Star), R(13),
B(CallProperty0), R(13), R(12), U8(6),
B(Star), R(13),
B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(13), U8(1),
/* 43 E> */ B(StaContextSlot), R(7), U8(6), U8(0),
B(Ldar), R(0),
B(SwitchOnSmiNoFeedback), U8(7), U8(1), I8(0),
B(LdaSmi), I8(-2),
B(TestEqualStrictNoFeedback), R(0),
B(JumpIfTrue), U8(11),
B(LdaSmi), I8(79),
B(Star), R(12),
B(CallRuntime), U16(Runtime::kAbort), R(12), U8(1),
/* 40 S> */ B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(12),
/* 40 S> */ B(LdaContextSlot), R(7), U8(6), U8(0),
B(Star), R(14),
B(LdaNamedProperty), R(14), U8(8), U8(14),
B(Star), R(13),
/* 40 E> */ B(CallProperty0), R(13), R(14), U8(12),
B(StaContextSlot), R(7), U8(9), U8(0),
/* 40 S> */ B(LdaUndefined),
B(Star), R(13),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(14),
B(LdaContextSlot), R(7), U8(9), U8(0),
B(Star), R(15),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(16),
B(CallJSRuntime), U8(%async_function_await_uncaught), R(13), U8(4),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(13),
B(LdaZero),
B(SuspendGenerator), R(12), U8(2),
B(Ldar), R(13),
/* 57 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(0),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(12), U8(1),
B(Star), R(13),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(12), U8(1),
B(Star), R(14),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(14),
B(JumpIfTrue), U8(28),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(14),
B(JumpIfTrue), U8(19),
B(LdaTrue),
B(Star), R(16),
B(Mov), R(13), R(15),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(15), U8(2),
B(Star), R(9),
B(LdaZero),
B(Star), R(8),
B(Jump), U8(155),
B(Ldar), R(13),
B(ReThrow),
B(Ldar), R(13),
/* 40 E> */ B(StaContextSlot), R(7), U8(7), U8(0),
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(13), U8(1),
B(ToBooleanLogicalNot),
B(JumpIfFalse), U8(13),
B(LdaContextSlot), R(7), U8(7), U8(0),
B(Star), R(12),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(12), U8(1),
B(LdaContextSlot), R(7), U8(7), U8(0),
B(Star), R(12),
B(LdaNamedProperty), R(12), U8(9), U8(16),
B(JumpIfToBooleanTrue), U8(56),
B(LdaContextSlot), R(7), U8(7), U8(0),
B(Star), R(12),
B(LdaNamedProperty), R(12), U8(10), U8(18),
B(StaContextSlot), R(7), U8(11), U8(0),
B(LdaSmi), I8(2),
B(StaContextSlot), R(7), U8(8), U8(0),
B(LdaContextSlot), R(7), U8(11), U8(0),
B(StaContextSlot), R(7), U8(5), U8(0),
/* 23 E> */ B(StackCheck),
B(Ldar), R(closure),
B(CreateBlockContext), U8(11),
B(PushContext), R(12),
B(LdaTheHole),
B(StaCurrentContextSlot), U8(4),
B(LdaContextSlot), R(7), U8(5), U8(0),
B(StaCurrentContextSlot), U8(4),
B(PopContext), R(12),
B(LdaZero),
B(StaContextSlot), R(7), U8(8), U8(0),
B(JumpLoop), U8(219), I8(0),
B(Jump), U8(48),
B(Star), R(12),
B(Ldar), R(closure),
B(CreateCatchContext), R(12), U8(12), U8(13),
B(Star), R(11),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(11),
B(PushContext), R(12),
B(LdaContextSlot), R(7), U8(8), U8(0),
B(Star), R(13),
B(LdaSmi), I8(2),
B(TestEqualStrict), R(13), U8(20),
B(JumpIfFalse), U8(8),
B(LdaSmi), I8(1),
B(StaContextSlot), R(7), U8(8), U8(0),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(13),
B(CallRuntime), U16(Runtime::kReThrow), R(13), U8(1),
B(PopContext), R(12),
B(LdaSmi), I8(-1),
B(Star), R(8),
B(Jump), U8(8),
B(Star), R(9),
B(LdaSmi), I8(1),
B(Star), R(8),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(10),
B(LdaContextSlot), R(7), U8(8), U8(0),
B(Star), R(11),
B(LdaZero),
B(TestEqualStrict), R(11), U8(21),
B(JumpIfTrueConstant), U8(18),
B(LdaContextSlot), R(7), U8(6), U8(0),
B(Star), R(11),
B(LdaNamedProperty), R(11), U8(14), U8(22),
B(StaContextSlot), R(7), U8(12), U8(0),
B(LdaContextSlot), R(7), U8(12), U8(0),
B(TestUndetectable),
B(JumpIfFalse), U8(4),
B(JumpConstant), U8(17),
B(LdaContextSlot), R(7), U8(8), U8(0),
B(Star), R(11),
B(LdaSmi), I8(1),
B(TestEqualStrict), R(11), U8(25),
B(JumpIfFalse), U8(175),
B(LdaContextSlot), R(7), U8(12), U8(0),
B(TestTypeOf), U8(5),
B(JumpIfFalse), U8(4),
B(Jump), U8(18),
B(Wide), B(LdaSmi), I16(130),
B(Star), R(11),
B(LdaConstant), U8(15),
B(Star), R(12),
B(CallRuntime), U16(Runtime::kNewTypeError), R(11), U8(2),
B(Throw),
B(Mov), R(context), R(11),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(12),
B(LdaContextSlot), R(7), U8(12), U8(0),
B(Star), R(13),
B(LdaContextSlot), R(7), U8(6), U8(0),
B(Star), R(14),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(13), U8(2),
B(StaContextSlot), R(7), U8(13), U8(0),
B(LdaUndefined),
B(Star), R(13),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(14),
B(LdaContextSlot), R(7), U8(13), U8(0),
B(Star), R(15),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(16),
B(CallJSRuntime), U8(%async_function_await_caught), R(13), U8(4),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(13),
B(LdaSmi), I8(1),
B(SuspendGenerator), R(12), U8(2),
B(Ldar), R(13),
/* 57 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(0),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(12), U8(1),
B(Star), R(13),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(12), U8(1),
B(Star), R(14),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(14),
B(JumpIfTrue), U8(36),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(14),
B(JumpIfTrue), U8(27),
B(LdaTrue),
B(Star), R(16),
B(Mov), R(13), R(15),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(15), U8(2),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(Star), R(4),
B(LdaZero),
B(Star), R(3),
B(JumpConstant), U8(22),
B(Ldar), R(13),
B(ReThrow),
B(Ldar), R(13),
B(Jump), U8(20),
B(Star), R(12),
B(Ldar), R(closure),
B(CreateCatchContext), R(12), U8(12), U8(16),
B(Star), R(11),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(11),
B(PushContext), R(12),
B(PopContext), R(12),
B(Jump), U8(153),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(11),
B(LdaContextSlot), R(7), U8(12), U8(0),
B(Star), R(12),
B(LdaContextSlot), R(7), U8(6), U8(0),
B(Star), R(13),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(12), U8(2),
B(StaContextSlot), R(7), U8(15), U8(0),
B(LdaUndefined),
B(Star), R(12),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(13),
B(LdaContextSlot), R(7), U8(15), U8(0),
B(Star), R(14),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(15),
B(CallJSRuntime), U8(%async_function_await_uncaught), R(12), U8(4),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(12),
B(LdaSmi), I8(2),
B(SuspendGenerator), R(11), U8(2),
B(Ldar), R(12),
/* 57 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(0),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(11), U8(1),
B(Star), R(12),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(11), U8(1),
B(Star), R(13),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(13),
B(JumpIfTrue), U8(36),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(13),
B(JumpIfTrue), U8(27),
B(LdaTrue),
B(Star), R(15),
B(Mov), R(12), R(14),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(14), U8(2),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(Star), R(4),
B(LdaZero),
B(Star), R(3),
B(Jump), U8(160),
B(Ldar), R(12),
B(ReThrow),
B(Ldar), R(12),
B(StaContextSlot), R(7), U8(14), U8(0),
B(LdaContextSlot), R(7), U8(14), U8(0),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(11), U8(1),
B(JumpIfToBooleanFalse), U8(4),
B(Jump), U8(13),
B(LdaContextSlot), R(7), U8(14), U8(0),
B(Star), R(11),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(11), U8(1),
B(Ldar), R(10),
B(SetPendingMessage),
B(Ldar), R(8),
B(SwitchOnSmiNoFeedback), U8(19), U8(2), I8(0),
B(Jump), U8(25),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(LdaZero),
B(Star), R(3),
B(Mov), R(9), R(4),
B(Jump), U8(99),
B(PopContext), R(7),
B(PopContext), R(7),
B(Ldar), R(9),
B(ReThrow),
B(PopContext), R(7),
B(LdaUndefined),
B(Star), R(7),
B(LdaCurrentContextSlot), U8(10),
B(Star), R(8),
B(LdaUndefined),
B(Star), R(9),
B(CallJSRuntime), U8(%promise_resolve), R(7), U8(3),
B(LdaCurrentContextSlot), U8(10),
B(Star), R(4),
B(LdaZero),
B(Star), R(3),
B(Jump), U8(67),
B(Jump), U8(53),
B(Star), R(7),
B(Ldar), R(closure),
B(CreateCatchContext), R(7), U8(12), U8(21),
B(Star), R(6),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(6),
B(PushContext), R(7),
B(LdaUndefined),
B(Star), R(8),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(9),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(10),
B(LdaFalse),
B(Star), R(11),
B(CallJSRuntime), U8(%promise_internal_reject), R(8), U8(4),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(PopContext), R(7),
B(PopContext), R(7),
B(Star), R(4),
B(LdaZero),
B(Star), R(3),
B(Jump), U8(14),
B(LdaSmi), I8(-1),
B(Star), R(3),
B(Jump), U8(8),
B(Star), R(4),
B(LdaSmi), I8(1),
B(Star), R(3),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(5),
B(LdaUndefined),
B(Star), R(6),
B(LdaCurrentContextSlot), U8(10),
B(Star), R(7),
B(CallJSRuntime), U8(%async_function_promise_release), R(6), U8(2),
B(Ldar), R(5),
B(SetPendingMessage),
B(Ldar), R(3),
B(SwitchOnSmiNoFeedback), U8(23), U8(2), I8(0),
B(Jump), U8(8),
B(Ldar), R(4),
/* 57 S> */ B(Return),
B(Ldar), R(4),
B(ReThrow),
B(LdaUndefined),
/* 57 S> */ B(Return),
]
constant pool: [
Smi [116],
Smi [544],
Smi [688],
FIXED_ARRAY_TYPE,
TUPLE2_TYPE,
SYMBOL_TYPE,
SYMBOL_TYPE,
Smi [83],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
FIXED_ARRAY_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
FIXED_ARRAY_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
FIXED_ARRAY_TYPE,
Smi [339],
Smi [362],
Smi [6],
Smi [22],
FIXED_ARRAY_TYPE,
Smi [304],
Smi [6],
Smi [9],
]
handlers: [
[60, 900, 906],
[63, 847, 849],
[80, 400, 406],
[83, 352, 354],
[493, 615, 617],
]
---
snippet: "
async function f() {
for await (let x of [1, 2, 3]) { return x; }
}
f();
"
frame size: 17
parameter count: 1
bytecode array length: 992
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(25),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(1),
B(ResumeGenerator), R(new_target),
B(Star), R(0),
B(SwitchOnSmiNoFeedback), U8(0), U8(3), I8(0),
B(LdaSmi), I8(79),
B(Star), R(2),
B(CallRuntime), U16(Runtime::kAbort), R(2), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(0),
B(CreateFunctionContext), U8(12),
B(PushContext), R(2),
B(Mov), R(closure), R(3),
B(Mov), R(this), R(4),
B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(3), U8(2),
B(StaCurrentContextSlot), U8(4),
/* 16 E> */ B(StackCheck),
B(LdaUndefined),
B(Star), R(3),
B(CallJSRuntime), U8(%async_function_promise_create), R(3), U8(1),
B(StaCurrentContextSlot), U8(10),
B(Mov), R(context), R(5),
B(Mov), R(context), R(6),
B(Ldar), R(closure),
B(CreateBlockContext), U8(3),
B(PushContext), R(7),
B(LdaTheHole),
B(StaCurrentContextSlot), U8(4),
B(LdaZero),
B(StaContextSlot), R(7), U8(8), U8(0),
B(Mov), R(context), R(10),
B(Mov), R(context), R(11),
/* 43 S> */ B(CreateArrayLiteral), U8(4), U8(3), U8(17),
B(Star), R(12),
B(LdaNamedProperty), R(12), U8(5), U8(8),
B(JumpIfUndefined), U8(17),
B(JumpIfNull), U8(15),
B(Star), R(13),
B(CallProperty0), R(13), R(12), U8(10),
B(JumpIfJSReceiver), U8(23),
B(CallRuntime), U16(Runtime::kThrowSymbolAsyncIteratorInvalid), R(0), U8(0),
B(LdaNamedProperty), R(12), U8(6), U8(4),
B(Star), R(13),
B(CallProperty0), R(13), R(12), U8(6),
B(Star), R(13),
B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(13), U8(1),
/* 43 E> */ B(StaContextSlot), R(7), U8(6), U8(0),
B(Ldar), R(0),
B(SwitchOnSmiNoFeedback), U8(7), U8(1), I8(0),
B(LdaSmi), I8(-2),
B(TestEqualStrictNoFeedback), R(0),
B(JumpIfTrue), U8(11),
B(LdaSmi), I8(79),
B(Star), R(12),
B(CallRuntime), U16(Runtime::kAbort), R(12), U8(1),
/* 40 S> */ B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(12),
/* 40 S> */ B(LdaContextSlot), R(7), U8(6), U8(0),
B(Star), R(14),
B(LdaNamedProperty), R(14), U8(8), U8(14),
B(Star), R(13),
/* 40 E> */ B(CallProperty0), R(13), R(14), U8(12),
B(StaContextSlot), R(7), U8(9), U8(0),
/* 40 S> */ B(LdaUndefined),
B(Star), R(13),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(14),
B(LdaContextSlot), R(7), U8(9), U8(0),
B(Star), R(15),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(16),
B(CallJSRuntime), U8(%async_function_await_uncaught), R(13), U8(4),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(13),
B(LdaZero),
B(SuspendGenerator), R(12), U8(2),
B(Ldar), R(13),
/* 68 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(0),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(12), U8(1),
B(Star), R(13),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(12), U8(1),
B(Star), R(14),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(14),
B(JumpIfTrue), U8(28),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(14),
B(JumpIfTrue), U8(19),
B(LdaTrue),
B(Star), R(16),
B(Mov), R(13), R(15),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(15), U8(2),
B(Star), R(9),
B(LdaZero),
B(Star), R(8),
B(Jump), U8(167),
B(Ldar), R(13),
B(ReThrow),
B(Ldar), R(13),
/* 40 E> */ B(StaContextSlot), R(7), U8(7), U8(0),
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(13), U8(1),
B(ToBooleanLogicalNot),
B(JumpIfFalse), U8(13),
B(LdaContextSlot), R(7), U8(7), U8(0),
B(Star), R(12),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(12), U8(1),
B(LdaContextSlot), R(7), U8(7), U8(0),
B(Star), R(12),
B(LdaNamedProperty), R(12), U8(9), U8(16),
B(JumpIfToBooleanTrue), U8(68),
B(LdaContextSlot), R(7), U8(7), U8(0),
B(Star), R(12),
B(LdaNamedProperty), R(12), U8(10), U8(18),
B(StaContextSlot), R(7), U8(11), U8(0),
B(LdaSmi), I8(2),
B(StaContextSlot), R(7), U8(8), U8(0),
B(LdaContextSlot), R(7), U8(11), U8(0),
B(StaContextSlot), R(7), U8(5), U8(0),
/* 23 E> */ B(StackCheck),
B(Ldar), R(closure),
B(CreateBlockContext), U8(11),
B(PushContext), R(12),
B(LdaTheHole),
B(StaCurrentContextSlot), U8(4),
B(LdaContextSlot), R(7), U8(5), U8(0),
B(StaCurrentContextSlot), U8(4),
/* 56 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(PopContext), R(12),
B(PopContext), R(12),
B(PopContext), R(12),
B(PopContext), R(12),
B(PopContext), R(12),
B(PopContext), R(12),
B(Star), R(9),
B(LdaSmi), I8(1),
B(Star), R(8),
B(Jump), U8(62),
B(Jump), U8(48),
B(Star), R(12),
B(Ldar), R(closure),
B(CreateCatchContext), R(12), U8(12), U8(13),
B(Star), R(11),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(11),
B(PushContext), R(12),
B(LdaContextSlot), R(7), U8(8), U8(0),
B(Star), R(13),
B(LdaSmi), I8(2),
B(TestEqualStrict), R(13), U8(20),
B(JumpIfFalse), U8(8),
B(LdaSmi), I8(1),
B(StaContextSlot), R(7), U8(8), U8(0),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(13),
B(CallRuntime), U16(Runtime::kReThrow), R(13), U8(1),
B(PopContext), R(12),
B(LdaSmi), I8(-1),
B(Star), R(8),
B(Jump), U8(8),
B(Star), R(9),
B(LdaSmi), I8(2),
B(Star), R(8),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(10),
B(LdaContextSlot), R(7), U8(8), U8(0),
B(Star), R(11),
B(LdaZero),
B(TestEqualStrict), R(11), U8(21),
B(JumpIfTrueConstant), U8(18),
B(LdaContextSlot), R(7), U8(6), U8(0),
B(Star), R(11),
B(LdaNamedProperty), R(11), U8(14), U8(22),
B(StaContextSlot), R(7), U8(12), U8(0),
B(LdaContextSlot), R(7), U8(12), U8(0),
B(TestUndetectable),
B(JumpIfFalse), U8(4),
B(JumpConstant), U8(17),
B(LdaContextSlot), R(7), U8(8), U8(0),
B(Star), R(11),
B(LdaSmi), I8(1),
B(TestEqualStrict), R(11), U8(25),
B(JumpIfFalse), U8(175),
B(LdaContextSlot), R(7), U8(12), U8(0),
B(TestTypeOf), U8(5),
B(JumpIfFalse), U8(4),
B(Jump), U8(18),
B(Wide), B(LdaSmi), I16(130),
B(Star), R(11),
B(LdaConstant), U8(15),
B(Star), R(12),
B(CallRuntime), U16(Runtime::kNewTypeError), R(11), U8(2),
B(Throw),
B(Mov), R(context), R(11),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(12),
B(LdaContextSlot), R(7), U8(12), U8(0),
B(Star), R(13),
B(LdaContextSlot), R(7), U8(6), U8(0),
B(Star), R(14),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(13), U8(2),
B(StaContextSlot), R(7), U8(13), U8(0),
B(LdaUndefined),
B(Star), R(13),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(14),
B(LdaContextSlot), R(7), U8(13), U8(0),
B(Star), R(15),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(16),
B(CallJSRuntime), U8(%async_function_await_caught), R(13), U8(4),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(13),
B(LdaSmi), I8(1),
B(SuspendGenerator), R(12), U8(2),
B(Ldar), R(13),
/* 68 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(0),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(12), U8(1),
B(Star), R(13),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(12), U8(1),
B(Star), R(14),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(14),
B(JumpIfTrue), U8(36),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(14),
B(JumpIfTrue), U8(27),
B(LdaTrue),
B(Star), R(16),
B(Mov), R(13), R(15),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(15), U8(2),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(Star), R(4),
B(LdaZero),
B(Star), R(3),
B(JumpConstant), U8(23),
B(Ldar), R(13),
B(ReThrow),
B(Ldar), R(13),
B(Jump), U8(20),
B(Star), R(12),
B(Ldar), R(closure),
B(CreateCatchContext), R(12), U8(12), U8(16),
B(Star), R(11),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(11),
B(PushContext), R(12),
B(PopContext), R(12),
B(Jump), U8(153),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(11),
B(LdaContextSlot), R(7), U8(12), U8(0),
B(Star), R(12),
B(LdaContextSlot), R(7), U8(6), U8(0),
B(Star), R(13),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(12), U8(2),
B(StaContextSlot), R(7), U8(15), U8(0),
B(LdaUndefined),
B(Star), R(12),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(13),
B(LdaContextSlot), R(7), U8(15), U8(0),
B(Star), R(14),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(15),
B(CallJSRuntime), U8(%async_function_await_uncaught), R(12), U8(4),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(12),
B(LdaSmi), I8(2),
B(SuspendGenerator), R(11), U8(2),
B(Ldar), R(12),
/* 68 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(0),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(11), U8(1),
B(Star), R(12),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(11), U8(1),
B(Star), R(13),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(13),
B(JumpIfTrue), U8(36),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(13),
B(JumpIfTrue), U8(27),
B(LdaTrue),
B(Star), R(15),
B(Mov), R(12), R(14),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(14), U8(2),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(Star), R(4),
B(LdaZero),
B(Star), R(3),
B(Jump), U8(177),
B(Ldar), R(12),
B(ReThrow),
B(Ldar), R(12),
B(StaContextSlot), R(7), U8(14), U8(0),
B(LdaContextSlot), R(7), U8(14), U8(0),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(11), U8(1),
B(JumpIfToBooleanFalse), U8(4),
B(Jump), U8(13),
B(LdaContextSlot), R(7), U8(14), U8(0),
B(Star), R(11),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(11), U8(1),
B(Ldar), R(10),
B(SetPendingMessage),
B(Ldar), R(8),
B(SwitchOnSmiNoFeedback), U8(19), U8(3), I8(0),
B(Jump), U8(42),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(LdaZero),
B(Star), R(3),
B(Mov), R(9), R(4),
B(Jump), U8(116),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(LdaSmi), I8(1),
B(Star), R(3),
B(Mov), R(9), R(4),
B(Jump), U8(99),
B(PopContext), R(7),
B(PopContext), R(7),
B(Ldar), R(9),
B(ReThrow),
B(PopContext), R(7),
B(LdaUndefined),
B(Star), R(7),
B(LdaCurrentContextSlot), U8(10),
B(Star), R(8),
B(LdaUndefined),
B(Star), R(9),
B(CallJSRuntime), U8(%promise_resolve), R(7), U8(3),
B(LdaCurrentContextSlot), U8(10),
B(Star), R(4),
B(LdaZero),
B(Star), R(3),
B(Jump), U8(67),
B(Jump), U8(53),
B(Star), R(7),
B(Ldar), R(closure),
B(CreateCatchContext), R(7), U8(12), U8(22),
B(Star), R(6),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(6),
B(PushContext), R(7),
B(LdaUndefined),
B(Star), R(8),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(9),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(10),
B(LdaFalse),
B(Star), R(11),
B(CallJSRuntime), U8(%promise_internal_reject), R(8), U8(4),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(PopContext), R(7),
B(PopContext), R(7),
B(Star), R(4),
B(LdaZero),
B(Star), R(3),
B(Jump), U8(14),
B(LdaSmi), I8(-1),
B(Star), R(3),
B(Jump), U8(8),
B(Star), R(4),
B(LdaSmi), I8(2),
B(Star), R(3),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(5),
B(LdaUndefined),
B(Star), R(6),
B(LdaCurrentContextSlot), U8(10),
B(Star), R(7),
B(CallJSRuntime), U8(%async_function_promise_release), R(6), U8(2),
B(Ldar), R(5),
B(SetPendingMessage),
B(Ldar), R(3),
B(SwitchOnSmiNoFeedback), U8(24), U8(3), I8(0),
B(Jump), U8(25),
B(Ldar), R(4),
/* 68 S> */ B(Return),
B(LdaCurrentContextSlot), U8(10),
B(Star), R(7),
B(LdaUndefined),
B(Star), R(6),
B(Mov), R(4), R(8),
B(CallJSRuntime), U8(%promise_resolve), R(6), U8(3),
B(Ldar), R(7),
/* 68 S> */ B(Return),
B(Ldar), R(4),
B(ReThrow),
B(LdaUndefined),
/* 68 S> */ B(Return),
]
constant pool: [
Smi [116],
Smi [556],
Smi [700],
FIXED_ARRAY_TYPE,
TUPLE2_TYPE,
SYMBOL_TYPE,
SYMBOL_TYPE,
Smi [83],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
FIXED_ARRAY_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
FIXED_ARRAY_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
FIXED_ARRAY_TYPE,
Smi [339],
Smi [362],
Smi [6],
Smi [22],
Smi [39],
FIXED_ARRAY_TYPE,
Smi [321],
Smi [6],
Smi [9],
Smi [26],
]
handlers: [
[60, 929, 935],
[63, 876, 878],
[80, 412, 418],
[83, 364, 366],
[505, 627, 629],
]
---
snippet: "
async function f() {
for await (let x of [10, 20, 30]) {
if (x == 10) continue;
if (x == 20) break;
}
}
f();
"
frame size: 17
parameter count: 1
bytecode array length: 980
bytecodes: [
B(Ldar), R(new_target),
B(JumpIfUndefined), U8(25),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(new_target), U8(1),
B(PushContext), R(1),
B(ResumeGenerator), R(new_target),
B(Star), R(0),
B(SwitchOnSmiNoFeedback), U8(0), U8(3), I8(0),
B(LdaSmi), I8(79),
B(Star), R(2),
B(CallRuntime), U16(Runtime::kAbort), R(2), U8(1),
B(LdaSmi), I8(-2),
B(Star), R(0),
B(CreateFunctionContext), U8(12),
B(PushContext), R(2),
B(Mov), R(closure), R(3),
B(Mov), R(this), R(4),
B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(3), U8(2),
B(StaCurrentContextSlot), U8(4),
/* 16 E> */ B(StackCheck),
B(LdaUndefined),
B(Star), R(3),
B(CallJSRuntime), U8(%async_function_promise_create), R(3), U8(1),
B(StaCurrentContextSlot), U8(10),
B(Mov), R(context), R(5),
B(Mov), R(context), R(6),
B(Ldar), R(closure),
B(CreateBlockContext), U8(3),
B(PushContext), R(7),
B(LdaTheHole),
B(StaCurrentContextSlot), U8(4),
B(LdaZero),
B(StaContextSlot), R(7), U8(8), U8(0),
B(Mov), R(context), R(10),
B(Mov), R(context), R(11),
/* 43 S> */ B(CreateArrayLiteral), U8(4), U8(3), U8(17),
B(Star), R(12),
B(LdaNamedProperty), R(12), U8(5), U8(8),
B(JumpIfUndefined), U8(17),
B(JumpIfNull), U8(15),
B(Star), R(13),
B(CallProperty0), R(13), R(12), U8(10),
B(JumpIfJSReceiver), U8(23),
B(CallRuntime), U16(Runtime::kThrowSymbolAsyncIteratorInvalid), R(0), U8(0),
B(LdaNamedProperty), R(12), U8(6), U8(4),
B(Star), R(13),
B(CallProperty0), R(13), R(12), U8(6),
B(Star), R(13),
B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(13), U8(1),
/* 43 E> */ B(StaContextSlot), R(7), U8(6), U8(0),
B(Ldar), R(0),
B(SwitchOnSmiNoFeedback), U8(7), U8(1), I8(0),
B(LdaSmi), I8(-2),
B(TestEqualStrictNoFeedback), R(0),
B(JumpIfTrue), U8(11),
B(LdaSmi), I8(79),
B(Star), R(12),
B(CallRuntime), U16(Runtime::kAbort), R(12), U8(1),
/* 40 S> */ B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(12),
/* 40 S> */ B(LdaContextSlot), R(7), U8(6), U8(0),
B(Star), R(14),
B(LdaNamedProperty), R(14), U8(8), U8(14),
B(Star), R(13),
/* 40 E> */ B(CallProperty0), R(13), R(14), U8(12),
B(StaContextSlot), R(7), U8(9), U8(0),
/* 40 S> */ B(LdaUndefined),
B(Star), R(13),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(14),
B(LdaContextSlot), R(7), U8(9), U8(0),
B(Star), R(15),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(16),
B(CallJSRuntime), U8(%async_function_await_uncaught), R(13), U8(4),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(13),
B(LdaZero),
B(SuspendGenerator), R(12), U8(2),
B(Ldar), R(13),
/* 114 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(0),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(12), U8(1),
B(Star), R(13),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(12), U8(1),
B(Star), R(14),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(14),
B(JumpIfTrue), U8(28),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(14),
B(JumpIfTrue), U8(19),
B(LdaTrue),
B(Star), R(16),
B(Mov), R(13), R(15),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(15), U8(2),
B(Star), R(9),
B(LdaZero),
B(Star), R(8),
B(Jump), U8(189),
B(Ldar), R(13),
B(ReThrow),
B(Ldar), R(13),
/* 40 E> */ B(StaContextSlot), R(7), U8(7), U8(0),
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(13), U8(1),
B(ToBooleanLogicalNot),
B(JumpIfFalse), U8(13),
B(LdaContextSlot), R(7), U8(7), U8(0),
B(Star), R(12),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(12), U8(1),
B(LdaContextSlot), R(7), U8(7), U8(0),
B(Star), R(12),
B(LdaNamedProperty), R(12), U8(9), U8(16),
B(JumpIfToBooleanTrue), U8(90),
B(LdaContextSlot), R(7), U8(7), U8(0),
B(Star), R(12),
B(LdaNamedProperty), R(12), U8(10), U8(18),
B(StaContextSlot), R(7), U8(11), U8(0),
B(LdaSmi), I8(2),
B(StaContextSlot), R(7), U8(8), U8(0),
B(LdaContextSlot), R(7), U8(11), U8(0),
B(StaContextSlot), R(7), U8(5), U8(0),
/* 23 E> */ B(StackCheck),
B(Ldar), R(closure),
B(CreateBlockContext), U8(11),
B(PushContext), R(12),
B(LdaTheHole),
B(StaCurrentContextSlot), U8(4),
B(LdaContextSlot), R(7), U8(5), U8(0),
B(StaCurrentContextSlot), U8(4),
/* 63 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(13),
B(LdaSmi), I8(10),
/* 69 E> */ B(TestEqual), R(13), U8(20),
B(JumpIfFalse), U8(8),
/* 76 S> */ B(PopContext), R(12),
B(PopContext), R(12),
B(Jump), U8(26),
/* 90 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(13),
B(LdaSmi), I8(20),
/* 96 E> */ B(TestEqual), R(13), U8(21),
B(JumpIfFalse), U8(8),
/* 103 S> */ B(PopContext), R(12),
B(PopContext), R(12),
B(Jump), U8(12),
B(PopContext), R(12),
B(LdaZero),
B(StaContextSlot), R(7), U8(8), U8(0),
B(JumpLoop), U8(253), I8(0),
B(Jump), U8(48),
B(Star), R(12),
B(Ldar), R(closure),
B(CreateCatchContext), R(12), U8(12), U8(13),
B(Star), R(11),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(11),
B(PushContext), R(12),
B(LdaContextSlot), R(7), U8(8), U8(0),
B(Star), R(13),
B(LdaSmi), I8(2),
B(TestEqualStrict), R(13), U8(22),
B(JumpIfFalse), U8(8),
B(LdaSmi), I8(1),
B(StaContextSlot), R(7), U8(8), U8(0),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(13),
B(CallRuntime), U16(Runtime::kReThrow), R(13), U8(1),
B(PopContext), R(12),
B(LdaSmi), I8(-1),
B(Star), R(8),
B(Jump), U8(8),
B(Star), R(9),
B(LdaSmi), I8(1),
B(Star), R(8),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(10),
B(LdaContextSlot), R(7), U8(8), U8(0),
B(Star), R(11),
B(LdaZero),
B(TestEqualStrict), R(11), U8(23),
B(JumpIfTrueConstant), U8(18),
B(LdaContextSlot), R(7), U8(6), U8(0),
B(Star), R(11),
B(LdaNamedProperty), R(11), U8(14), U8(24),
B(StaContextSlot), R(7), U8(12), U8(0),
B(LdaContextSlot), R(7), U8(12), U8(0),
B(TestUndetectable),
B(JumpIfFalse), U8(4),
B(JumpConstant), U8(17),
B(LdaContextSlot), R(7), U8(8), U8(0),
B(Star), R(11),
B(LdaSmi), I8(1),
B(TestEqualStrict), R(11), U8(27),
B(JumpIfFalse), U8(175),
B(LdaContextSlot), R(7), U8(12), U8(0),
B(TestTypeOf), U8(5),
B(JumpIfFalse), U8(4),
B(Jump), U8(18),
B(Wide), B(LdaSmi), I16(130),
B(Star), R(11),
B(LdaConstant), U8(15),
B(Star), R(12),
B(CallRuntime), U16(Runtime::kNewTypeError), R(11), U8(2),
B(Throw),
B(Mov), R(context), R(11),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(12),
B(LdaContextSlot), R(7), U8(12), U8(0),
B(Star), R(13),
B(LdaContextSlot), R(7), U8(6), U8(0),
B(Star), R(14),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(13), U8(2),
B(StaContextSlot), R(7), U8(13), U8(0),
B(LdaUndefined),
B(Star), R(13),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(14),
B(LdaContextSlot), R(7), U8(13), U8(0),
B(Star), R(15),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(16),
B(CallJSRuntime), U8(%async_function_await_caught), R(13), U8(4),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(13),
B(LdaSmi), I8(1),
B(SuspendGenerator), R(12), U8(2),
B(Ldar), R(13),
/* 114 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(0),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(12), U8(1),
B(Star), R(13),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(12), U8(1),
B(Star), R(14),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(14),
B(JumpIfTrue), U8(36),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(14),
B(JumpIfTrue), U8(27),
B(LdaTrue),
B(Star), R(16),
B(Mov), R(13), R(15),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(15), U8(2),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(Star), R(4),
B(LdaZero),
B(Star), R(3),
B(JumpConstant), U8(22),
B(Ldar), R(13),
B(ReThrow),
B(Ldar), R(13),
B(Jump), U8(20),
B(Star), R(12),
B(Ldar), R(closure),
B(CreateCatchContext), R(12), U8(12), U8(16),
B(Star), R(11),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(11),
B(PushContext), R(12),
B(PopContext), R(12),
B(Jump), U8(153),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(11),
B(LdaContextSlot), R(7), U8(12), U8(0),
B(Star), R(12),
B(LdaContextSlot), R(7), U8(6), U8(0),
B(Star), R(13),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(12), U8(2),
B(StaContextSlot), R(7), U8(15), U8(0),
B(LdaUndefined),
B(Star), R(12),
B(LdaImmutableContextSlot), R(7), U8(4), U8(0),
B(Star), R(13),
B(LdaContextSlot), R(7), U8(15), U8(0),
B(Star), R(14),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(15),
B(CallJSRuntime), U8(%async_function_await_uncaught), R(12), U8(4),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(12),
B(LdaSmi), I8(2),
B(SuspendGenerator), R(11), U8(2),
B(Ldar), R(12),
/* 114 S> */ B(Return),
B(LdaSmi), I8(-2),
B(Star), R(0),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(11), U8(1),
B(Star), R(12),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(11), U8(1),
B(Star), R(13),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(13),
B(JumpIfTrue), U8(36),
B(LdaSmi), I8(2),
B(TestEqualStrictNoFeedback), R(13),
B(JumpIfTrue), U8(27),
B(LdaTrue),
B(Star), R(15),
B(Mov), R(12), R(14),
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(14), U8(2),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(Star), R(4),
B(LdaZero),
B(Star), R(3),
B(Jump), U8(160),
B(Ldar), R(12),
B(ReThrow),
B(Ldar), R(12),
B(StaContextSlot), R(7), U8(14), U8(0),
B(LdaContextSlot), R(7), U8(14), U8(0),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(11), U8(1),
B(JumpIfToBooleanFalse), U8(4),
B(Jump), U8(13),
B(LdaContextSlot), R(7), U8(14), U8(0),
B(Star), R(11),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(11), U8(1),
B(Ldar), R(10),
B(SetPendingMessage),
B(Ldar), R(8),
B(SwitchOnSmiNoFeedback), U8(19), U8(2), I8(0),
B(Jump), U8(25),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(PopContext), R(7),
B(LdaZero),
B(Star), R(3),
B(Mov), R(9), R(4),
B(Jump), U8(99),
B(PopContext), R(7),
B(PopContext), R(7),
B(Ldar), R(9),
B(ReThrow),
B(PopContext), R(7),
B(LdaUndefined),
B(Star), R(7),
B(LdaCurrentContextSlot), U8(10),
B(Star), R(8),
B(LdaUndefined),
B(Star), R(9),
B(CallJSRuntime), U8(%promise_resolve), R(7), U8(3),
B(LdaCurrentContextSlot), U8(10),
B(Star), R(4),
B(LdaZero),
B(Star), R(3),
B(Jump), U8(67),
B(Jump), U8(53),
B(Star), R(7),
B(Ldar), R(closure),
B(CreateCatchContext), R(7), U8(12), U8(21),
B(Star), R(6),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(6),
B(PushContext), R(7),
B(LdaUndefined),
B(Star), R(8),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(Star), R(9),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(10),
B(LdaFalse),
B(Star), R(11),
B(CallJSRuntime), U8(%promise_internal_reject), R(8), U8(4),
B(LdaContextSlot), R(7), U8(10), U8(0),
B(PopContext), R(7),
B(PopContext), R(7),
B(Star), R(4),
B(LdaZero),
B(Star), R(3),
B(Jump), U8(14),
B(LdaSmi), I8(-1),
B(Star), R(3),
B(Jump), U8(8),
B(Star), R(4),
B(LdaSmi), I8(1),
B(Star), R(3),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(5),
B(LdaUndefined),
B(Star), R(6),
B(LdaCurrentContextSlot), U8(10),
B(Star), R(7),
B(CallJSRuntime), U8(%async_function_promise_release), R(6), U8(2),
B(Ldar), R(5),
B(SetPendingMessage),
B(Ldar), R(3),
B(SwitchOnSmiNoFeedback), U8(23), U8(2), I8(0),
B(Jump), U8(8),
B(Ldar), R(4),
/* 114 S> */ B(Return),
B(Ldar), R(4),
B(ReThrow),
B(LdaUndefined),
/* 114 S> */ B(Return),
]
constant pool: [
Smi [116],
Smi [578],
Smi [722],
FIXED_ARRAY_TYPE,
TUPLE2_TYPE,
SYMBOL_TYPE,
SYMBOL_TYPE,
Smi [83],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
FIXED_ARRAY_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
FIXED_ARRAY_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
FIXED_ARRAY_TYPE,
Smi [339],
Smi [362],
Smi [6],
Smi [22],
FIXED_ARRAY_TYPE,
Smi [304],
Smi [6],
Smi [9],
]
handlers: [
[60, 934, 940],
[63, 881, 883],
[80, 434, 440],
[83, 386, 388],
[527, 649, 651],
]
---
snippet: "
async function f() {
var x = { 'a': 1, 'b': 2 };
for (x['a'] of [1,2,3]) { return x['a']; }
}
f();
"
frame size: 11
parameter count: 1
bytecode array length: 508
bytecodes: [
B(CreateFunctionContext), U8(9),
B(PushContext), R(0),
/* 16 E> */ B(StackCheck),
B(LdaUndefined),
B(Star), R(1),
B(CallJSRuntime), U8(%async_function_promise_create), R(1), U8(1),
B(StaCurrentContextSlot), U8(12),
B(Mov), R(context), R(3),
B(Mov), R(context), R(4),
/* 31 S> */ B(CreateObjectLiteral), U8(0), U8(3), U8(1), R(5),
B(Ldar), R(5),
/* 31 E> */ B(StaCurrentContextSlot), U8(5),
B(LdaZero),
B(StaCurrentContextSlot), U8(8),
B(Mov), R(context), R(7),
B(Mov), R(context), R(8),
/* 68 S> */ B(CreateArrayLiteral), U8(1), U8(4), U8(17),
B(Star), R(9),
B(LdaNamedProperty), R(9), U8(2), U8(5),
B(Star), R(10),
B(CallProperty0), R(10), R(9), U8(7),
B(JumpIfJSReceiver), U8(7),
B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
/* 68 E> */ B(StaCurrentContextSlot), U8(6),
/* 65 S> */ B(LdaCurrentContextSlot), U8(6),
B(Star), R(10),
B(LdaNamedProperty), R(10), U8(3), U8(11),
B(Star), R(9),
/* 65 E> */ B(CallProperty0), R(9), R(10), U8(9),
/* 65 E> */ B(StaCurrentContextSlot), U8(7),
B(Star), R(9),
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(9), U8(1),
B(ToBooleanLogicalNot),
B(JumpIfFalse), U8(11),
B(LdaCurrentContextSlot), U8(7),
B(Star), R(9),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(9), U8(1),
B(LdaCurrentContextSlot), U8(7),
B(Star), R(9),
B(LdaNamedProperty), R(9), U8(4), U8(13),
B(JumpIfToBooleanTrue), U8(42),
B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(9),
B(LdaCurrentContextSlot), U8(7),
B(Star), R(10),
/* 58 E> */ B(LdaNamedProperty), R(10), U8(5), U8(15),
B(StaCurrentContextSlot), U8(9),
B(LdaSmi), I8(2),
B(StaCurrentContextSlot), U8(8),
B(LdaCurrentContextSlot), U8(9),
B(StaNamedPropertySloppy), R(9), U8(6), U8(17),
/* 53 E> */ B(StackCheck),
/* 79 S> */ B(LdaImmutableCurrentContextSlot), U8(5),
B(Star), R(9),
/* 87 E> */ B(LdaNamedProperty), R(9), U8(6), U8(19),
B(Star), R(6),
B(LdaZero),
B(Star), R(5),
B(Jump), U8(62),
B(Jump), U8(48),
B(Star), R(9),
B(Ldar), R(closure),
B(CreateCatchContext), R(9), U8(7), U8(8),
B(Star), R(8),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(8),
B(PushContext), R(9),
B(LdaContextSlot), R(9), U8(8), U8(0),
B(Star), R(10),
B(LdaSmi), I8(2),
B(TestEqualStrict), R(10), U8(21),
B(JumpIfFalse), U8(8),
B(LdaSmi), I8(1),
B(StaContextSlot), R(9), U8(8), U8(0),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(10),
B(CallRuntime), U16(Runtime::kReThrow), R(10), U8(1),
B(PopContext), R(9),
B(LdaSmi), I8(-1),
B(Star), R(5),
B(Jump), U8(8),
B(Star), R(6),
B(LdaSmi), I8(1),
B(Star), R(5),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(7),
B(LdaCurrentContextSlot), U8(8),
B(Star), R(8),
B(LdaZero),
B(TestEqualStrict), R(8), U8(22),
B(JumpIfTrue), U8(126),
B(LdaCurrentContextSlot), U8(6),
B(Star), R(8),
B(LdaNamedProperty), R(8), U8(9), U8(23),
B(StaCurrentContextSlot), U8(10),
B(LdaCurrentContextSlot), U8(10),
B(TestUndetectable),
B(JumpIfFalse), U8(4),
B(Jump), U8(109),
B(LdaCurrentContextSlot), U8(8),
B(Star), R(8),
B(LdaSmi), I8(1),
B(TestEqualStrict), R(8), U8(26),
B(JumpIfFalse), U8(63),
B(LdaCurrentContextSlot), U8(10),
B(TestTypeOf), U8(5),
B(JumpIfFalse), U8(4),
B(Jump), U8(18),
B(Wide), B(LdaSmi), I16(130),
B(Star), R(8),
B(LdaConstant), U8(10),
B(Star), R(9),
B(CallRuntime), U16(Runtime::kNewTypeError), R(8), U8(2),
B(Throw),
B(Mov), R(context), R(8),
B(LdaCurrentContextSlot), U8(10),
B(Star), R(9),
B(LdaCurrentContextSlot), U8(6),
B(Star), R(10),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(9), U8(2),
B(Jump), U8(20),
B(Star), R(9),
B(Ldar), R(closure),
B(CreateCatchContext), R(9), U8(7), U8(11),
B(Star), R(8),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(8),
B(PushContext), R(9),
B(PopContext), R(9),
B(Jump), U8(37),
B(LdaCurrentContextSlot), U8(10),
B(Star), R(8),
B(LdaCurrentContextSlot), U8(6),
B(Star), R(9),
B(InvokeIntrinsic), U8(Runtime::k_Call), R(8), U8(2),
B(StaCurrentContextSlot), U8(11),
B(LdaCurrentContextSlot), U8(11),
B(Star), R(8),
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(8), U8(1),
B(JumpIfToBooleanFalse), U8(4),
B(Jump), U8(11),
B(LdaCurrentContextSlot), U8(11),
B(Star), R(8),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(8), U8(1),
B(Ldar), R(7),
B(SetPendingMessage),
B(Ldar), R(5),
B(SwitchOnSmiNoFeedback), U8(12), U8(2), I8(0),
B(Jump), U8(13),
B(LdaZero),
B(Star), R(1),
B(Mov), R(6), R(2),
B(Jump), U8(95),
B(Ldar), R(6),
B(ReThrow),
B(LdaUndefined),
B(Star), R(5),
B(LdaCurrentContextSlot), U8(12),
B(Star), R(6),
B(LdaUndefined),
B(Star), R(7),
B(CallJSRuntime), U8(%promise_resolve), R(5), U8(3),
B(LdaCurrentContextSlot), U8(12),
B(Star), R(2),
B(LdaSmi), I8(1),
B(Star), R(1),
B(Jump), U8(68),
B(Jump), U8(54),
B(Star), R(5),
B(Ldar), R(closure),
B(CreateCatchContext), R(5), U8(7), U8(14),
B(Star), R(4),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(4),
B(PushContext), R(5),
B(LdaUndefined),
B(Star), R(6),
B(LdaContextSlot), R(5), U8(12), U8(0),
B(Star), R(7),
B(LdaImmutableCurrentContextSlot), U8(4),
B(Star), R(8),
B(LdaFalse),
B(Star), R(9),
B(CallJSRuntime), U8(%promise_internal_reject), R(6), U8(4),
B(LdaContextSlot), R(5), U8(12), U8(0),
B(PopContext), R(5),
B(PopContext), R(5),
B(Star), R(2),
B(LdaSmi), I8(1),
B(Star), R(1),
B(Jump), U8(14),
B(LdaSmi), I8(-1),
B(Star), R(1),
B(Jump), U8(8),
B(Star), R(2),
B(LdaSmi), I8(2),
B(Star), R(1),
B(LdaTheHole),
B(SetPendingMessage),
B(Star), R(3),
B(LdaUndefined),
B(Star), R(4),
B(LdaCurrentContextSlot), U8(12),
B(Star), R(5),
B(CallJSRuntime), U8(%async_function_promise_release), R(4), U8(2),
B(Ldar), R(3),
B(SetPendingMessage),
B(Ldar), R(1),
B(SwitchOnSmiNoFeedback), U8(15), U8(3), I8(0),
B(Jump), U8(25),
B(LdaCurrentContextSlot), U8(12),
B(Star), R(5),
B(LdaUndefined),
B(Star), R(4),
B(Mov), R(2), R(6),
B(CallJSRuntime), U8(%promise_resolve), R(4), U8(3),
B(Ldar), R(5),
/* 96 S> */ B(Return),
B(Ldar), R(2),
/* 96 S> */ B(Return),
B(Ldar), R(2),
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 [23],
Smi [26],
]
handlers: [
[17, 445, 451],
[20, 391, 393],
[35, 195, 201],
[38, 147, 149],
[276, 288, 290],
]