53553f5dcb
SuspendFlags was originally used by the suspend operation to determine which field to record the bytecode offset of a suspended generator, and the value the generator was resumed with. For async generators, await operations would use a separate field, in order to preserve the previous yield input value. This was important to ensure `function.sent` continued to function correctly. As function.sent is being retired, this allows the removal of support for that. Given that this was the only real need for SuspendFlags in the first place (with other uses tacked on as a hack), this involves several other changes as well: - Modification of MacroAssembler AssertGeneratorObject. No longer accepts a SuspendFlags parameter to determine which type of check to perform. - Removal of `flags` operand from SuspendGenerator bytecode, and the GeneratorStore js-operator. - Removal of `flags` parameter from ResumeGeneratorTrampoline builtins. - Removal of Runtime functions, interpreter intrinsics and AccessBuilders associated with the [[await_input_or_debug_pos]] field in JSAsyncGeneratorObject, as this field no longer exists. - Addition of a new `Yield` AST node (subclass of Suspend) in order to prevent the need for the other SuspendFlag values. BUG=v8:5855 TBR=bmeurer@chromium.org Change-Id: Iff2881e4742497fe5b774915e988c3d9d8fbe487 Reviewed-on: https://chromium-review.googlesource.com/570485 Commit-Queue: Caitlin Potter <caitp@igalia.com> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#46683}
495 lines
18 KiB
Plaintext
495 lines
18 KiB
Plaintext
#
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# Autogenerated by generate-bytecode-expectations.
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#
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---
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wrap: no
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test function name: f
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---
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snippet: "
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function* f() { }
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f();
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"
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frame size: 5
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parameter count: 1
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bytecode array length: 91
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bytecodes: [
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B(Mov), R(new_target), R(1),
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B(Ldar), R(new_target),
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B(JumpIfUndefined), U8(25),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(1), U8(1),
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B(PushContext), R(3),
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B(RestoreGeneratorState), R(1),
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B(Star), R(2),
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B(SwitchOnSmiNoFeedback), U8(0), U8(1), I8(0),
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B(LdaSmi), I8(81),
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B(Star), R(3),
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B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
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B(LdaSmi), I8(-2),
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B(Star), R(2),
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B(Mov), R(closure), R(3),
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B(Mov), R(this), R(4),
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B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(3), U8(2),
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B(Star), R(0),
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/* 11 E> */ B(StackCheck),
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B(LdaZero),
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B(Mov), R(0), R(1),
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B(Mov), R(0), R(3),
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/* 11 E> */ B(SuspendGenerator), R(1), R(0), U8(3),
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B(Ldar), R(3),
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/* 16 S> */ B(Return),
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B(RestoreGeneratorRegisters), R(1), R(0), U8(3),
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B(LdaSmi), I8(-2),
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B(Star), R(2),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
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B(Star), R(3),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
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B(SwitchOnSmiNoFeedback), U8(1), U8(2), I8(0),
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B(Ldar), R(3),
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/* 11 E> */ B(Throw),
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B(Ldar), R(3),
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/* 16 S> */ B(Return),
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B(LdaUndefined),
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/* 16 S> */ B(Return),
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]
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constant pool: [
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Smi [44],
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Smi [10],
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Smi [7],
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]
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handlers: [
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]
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---
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snippet: "
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function* f() { yield 42 }
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f();
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"
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frame size: 6
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parameter count: 1
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bytecode array length: 140
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bytecodes: [
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B(Mov), R(new_target), R(1),
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B(Ldar), R(new_target),
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B(JumpIfUndefined), U8(25),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(1), U8(1),
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B(PushContext), R(3),
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B(RestoreGeneratorState), R(1),
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B(Star), R(2),
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B(SwitchOnSmiNoFeedback), U8(0), U8(2), I8(0),
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B(LdaSmi), I8(81),
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B(Star), R(3),
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B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
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B(LdaSmi), I8(-2),
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B(Star), R(2),
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B(Mov), R(closure), R(3),
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B(Mov), R(this), R(4),
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B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(3), U8(2),
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B(Star), R(0),
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/* 11 E> */ B(StackCheck),
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B(LdaZero),
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B(Mov), R(0), R(1),
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B(Mov), R(0), R(3),
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/* 11 E> */ B(SuspendGenerator), R(1), R(0), U8(3),
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B(Ldar), R(3),
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/* 25 S> */ B(Return),
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B(RestoreGeneratorRegisters), R(1), R(0), U8(3),
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B(LdaSmi), I8(-2),
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B(Star), R(2),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
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B(Star), R(3),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
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B(SwitchOnSmiNoFeedback), U8(2), U8(2), I8(0),
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B(Ldar), R(3),
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/* 11 E> */ B(Throw),
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B(Ldar), R(3),
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/* 25 S> */ B(Return),
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/* 16 S> */ B(LdaSmi), I8(42),
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B(Star), R(3),
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B(LdaSmi), I8(1),
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B(SuspendGenerator), R(1), R(0), U8(3),
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B(LdaFalse),
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B(Star), R(5),
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B(Mov), R(3), R(4),
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B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(4), U8(2),
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/* 25 S> */ B(Return),
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B(RestoreGeneratorRegisters), R(1), R(0), U8(3),
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B(LdaSmi), I8(-2),
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B(Star), R(2),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
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B(Star), R(3),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
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B(SwitchOnSmiNoFeedback), U8(4), U8(2), I8(0),
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B(Ldar), R(3),
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/* 16 E> */ B(Throw),
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B(Ldar), R(3),
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/* 25 S> */ B(Return),
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B(LdaUndefined),
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/* 25 S> */ B(Return),
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]
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constant pool: [
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Smi [44],
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Smi [93],
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Smi [10],
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Smi [7],
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Smi [10],
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Smi [7],
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]
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handlers: [
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]
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---
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snippet: "
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function* f() { for (let x of [42]) yield x }
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f();
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"
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frame size: 19
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parameter count: 1
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bytecode array length: 429
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bytecodes: [
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B(Mov), R(new_target), R(10),
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B(Ldar), R(new_target),
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B(JumpIfUndefined), U8(25),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(10), U8(1),
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B(PushContext), R(12),
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B(RestoreGeneratorState), R(10),
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B(Star), R(11),
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B(SwitchOnSmiNoFeedback), U8(0), U8(2), I8(0),
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B(LdaSmi), I8(81),
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B(Star), R(12),
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B(CallRuntime), U16(Runtime::kAbort), R(12), U8(1),
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B(LdaSmi), I8(-2),
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B(Star), R(11),
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B(Mov), R(closure), R(12),
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B(Mov), R(this), R(13),
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B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(12), U8(2),
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B(Star), R(2),
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/* 11 E> */ B(StackCheck),
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B(LdaZero),
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B(Mov), R(2), R(10),
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B(Mov), R(2), R(12),
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/* 11 E> */ B(SuspendGenerator), R(10), R(0), U8(12),
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B(Ldar), R(12),
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/* 44 S> */ B(Return),
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B(RestoreGeneratorRegisters), R(10), R(0), U8(12),
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B(LdaSmi), I8(-2),
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B(Star), R(11),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(10), U8(1),
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B(Star), R(12),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(10), U8(1),
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B(SwitchOnSmiNoFeedback), U8(2), U8(2), I8(0),
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B(Ldar), R(12),
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/* 11 E> */ B(Throw),
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B(Ldar), R(12),
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/* 44 S> */ B(Return),
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B(LdaZero),
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B(Star), R(6),
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B(Mov), R(context), R(14),
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B(Mov), R(context), R(15),
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/* 30 S> */ B(CreateArrayLiteral), U8(4), U8(4), U8(37),
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B(Star), R(16),
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B(LdaNamedProperty), R(16), U8(5), U8(5),
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B(Star), R(17),
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B(CallProperty0), R(17), R(16), U8(7),
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B(JumpIfJSReceiver), U8(7),
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B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
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B(Star), R(4),
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B(Ldar), R(11),
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B(SwitchOnSmiNoFeedback), U8(6), U8(1), I8(1),
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B(LdaSmi), I8(-2),
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/* 30 E> */ B(TestEqualStrictNoFeedback), R(11),
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B(JumpIfTrue), U8(11),
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B(LdaSmi), I8(81),
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B(Star), R(16),
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B(CallRuntime), U16(Runtime::kAbort), R(16), U8(1),
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/* 25 S> */ B(LdaNamedProperty), R(4), U8(7), U8(11),
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B(Star), R(16),
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B(CallProperty0), R(16), R(4), U8(9),
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B(Star), R(5),
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/* 25 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(5), U8(1),
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B(ToBooleanLogicalNot),
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B(JumpIfFalse), U8(7),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(5), U8(1),
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B(LdaNamedProperty), R(5), U8(8), U8(13),
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B(JumpIfToBooleanTrue), U8(78),
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B(LdaNamedProperty), R(5), U8(9), U8(15),
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B(Star), R(7),
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B(LdaSmi), I8(2),
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B(Star), R(6),
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B(Mov), R(7), R(3),
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/* 16 E> */ B(StackCheck),
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B(Mov), R(3), R(0),
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/* 36 S> */ B(LdaSmi), I8(1),
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B(Mov), R(0), R(16),
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B(SuspendGenerator), R(10), R(0), U8(16),
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B(LdaFalse),
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B(Star), R(18),
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B(Mov), R(16), R(17),
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B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(17), U8(2),
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/* 44 S> */ B(Return),
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B(RestoreGeneratorRegisters), R(10), R(0), U8(16),
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B(LdaSmi), I8(-2),
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B(Star), R(11),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(10), U8(1),
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B(Star), R(16),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(10), U8(1),
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B(SwitchOnSmiNoFeedback), U8(10), U8(2), I8(0),
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B(Ldar), R(16),
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/* 36 E> */ B(Throw),
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B(LdaZero),
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B(Star), R(12),
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B(Mov), R(16), R(13),
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B(Jump), U8(56),
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B(LdaZero),
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B(Star), R(6),
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B(JumpLoop), U8(124), I8(0),
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B(Jump), U8(36),
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B(Star), R(16),
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B(Ldar), R(closure),
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B(CreateCatchContext), R(16), U8(12), U8(13),
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B(PushContext), R(16),
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B(Star), R(15),
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B(LdaSmi), I8(2),
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B(TestEqualStrict), R(6), U8(17),
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B(JumpIfFalse), U8(6),
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B(LdaSmi), I8(1),
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B(Star), R(6),
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B(LdaImmutableCurrentContextSlot), U8(4),
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B(Star), R(17),
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B(CallRuntime), U16(Runtime::kReThrow), R(17), U8(1),
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B(PopContext), R(16),
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B(LdaSmi), I8(-1),
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B(Star), R(12),
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B(Jump), U8(8),
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B(Star), R(13),
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B(LdaSmi), I8(1),
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B(Star), R(12),
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B(LdaTheHole),
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B(SetPendingMessage),
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B(Star), R(14),
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B(LdaZero),
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B(TestEqualStrict), R(6), U8(18),
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B(JumpIfTrue), U8(104),
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B(LdaNamedProperty), R(4), U8(14), U8(19),
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B(Star), R(8),
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B(TestUndetectable),
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B(JumpIfFalse), U8(4),
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B(Jump), U8(93),
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B(LdaSmi), I8(1),
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B(TestEqualStrict), R(6), U8(22),
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B(JumpIfFalse), U8(61),
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B(Ldar), R(8),
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B(TestTypeOf), U8(5),
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B(JumpIfFalse), U8(4),
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B(Jump), U8(18),
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B(Wide), B(LdaSmi), I16(131),
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B(Star), R(15),
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B(LdaConstant), U8(15),
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B(Star), R(16),
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B(CallRuntime), U16(Runtime::kNewTypeError), R(15), U8(2),
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B(Throw),
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B(Mov), R(context), R(15),
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B(Mov), R(8), R(16),
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B(Mov), R(4), R(17),
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B(InvokeIntrinsic), U8(Runtime::k_Call), R(16), U8(2),
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B(Jump), U8(20),
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B(Star), R(16),
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B(Ldar), R(closure),
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B(CreateCatchContext), R(16), U8(12), U8(16),
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B(Star), R(15),
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B(LdaTheHole),
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B(SetPendingMessage),
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B(Ldar), R(15),
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B(PushContext), R(16),
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B(PopContext), R(16),
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B(Jump), U8(27),
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B(Mov), R(8), R(15),
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B(Mov), R(4), R(16),
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B(InvokeIntrinsic), U8(Runtime::k_Call), R(15), U8(2),
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B(Star), R(9),
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B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(9), U8(1),
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B(JumpIfToBooleanFalse), U8(4),
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B(Jump), U8(7),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(9), U8(1),
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B(Ldar), R(14),
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B(SetPendingMessage),
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B(Ldar), R(12),
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B(SwitchOnSmiNoFeedback), U8(17), U8(2), I8(0),
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B(Jump), U8(8),
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B(Ldar), R(13),
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/* 44 S> */ B(Return),
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B(Ldar), R(13),
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B(ReThrow),
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B(LdaUndefined),
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/* 44 S> */ B(Return),
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]
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constant pool: [
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Smi [44],
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Smi [106],
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Smi [10],
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Smi [7],
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TUPLE2_TYPE,
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SYMBOL_TYPE,
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Smi [86],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
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Smi [15],
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Smi [7],
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ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
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FIXED_ARRAY_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
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FIXED_ARRAY_TYPE,
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Smi [6],
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Smi [9],
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]
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handlers: [
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[95, 286, 292],
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[98, 250, 252],
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[353, 363, 365],
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]
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---
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snippet: "
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function* g() { yield 42 }
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function* f() { yield* g() }
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f();
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"
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frame size: 10
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parameter count: 1
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bytecode array length: 291
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bytecodes: [
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B(Mov), R(new_target), R(1),
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B(Ldar), R(new_target),
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B(JumpIfUndefined), U8(25),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetContext), R(1), U8(1),
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B(PushContext), R(3),
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B(RestoreGeneratorState), R(1),
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B(Star), R(2),
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B(SwitchOnSmiNoFeedback), U8(0), U8(2), I8(0),
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B(LdaSmi), I8(81),
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B(Star), R(3),
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B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
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B(LdaSmi), I8(-2),
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B(Star), R(2),
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B(Mov), R(closure), R(3),
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B(Mov), R(this), R(4),
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B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(3), U8(2),
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B(Star), R(0),
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/* 38 E> */ B(StackCheck),
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B(LdaZero),
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B(Mov), R(0), R(1),
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B(Mov), R(0), R(3),
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/* 38 E> */ B(SuspendGenerator), R(1), R(0), U8(3),
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B(Ldar), R(3),
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/* 54 S> */ B(Return),
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B(RestoreGeneratorRegisters), R(1), R(0), U8(3),
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B(LdaSmi), I8(-2),
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B(Star), R(2),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
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B(Star), R(3),
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B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
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B(SwitchOnSmiNoFeedback), U8(2), U8(2), I8(0),
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B(Ldar), R(3),
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/* 38 E> */ B(Throw),
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B(Ldar), R(3),
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/* 54 S> */ B(Return),
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/* 43 S> */ B(LdaGlobal), U8(4), U8(6),
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B(Star), R(9),
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/* 50 E> */ B(CallUndefinedReceiver0), R(9), U8(4),
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B(Star), R(7),
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B(LdaNamedProperty), R(7), U8(5), U8(8),
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B(Star), R(8),
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B(CallProperty0), R(8), R(7), U8(20),
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|
B(JumpIfJSReceiver), U8(7),
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|
B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
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|
B(Star), R(5),
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|
B(LdaUndefined),
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|
B(Star), R(6),
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|
B(LdaZero),
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|
B(Star), R(4),
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|
B(Ldar), R(2),
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|
B(SwitchOnSmiNoFeedback), U8(6), U8(1), I8(1),
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|
B(LdaSmi), I8(-2),
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|
B(TestEqualStrictNoFeedback), R(2),
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|
B(JumpIfTrue), U8(11),
|
|
B(LdaSmi), I8(81),
|
|
B(Star), R(9),
|
|
B(CallRuntime), U16(Runtime::kAbort), R(9), U8(1),
|
|
B(Ldar), R(4),
|
|
B(SwitchOnSmiNoFeedback), U8(7), U8(2), I8(1),
|
|
B(LdaNamedProperty), R(5), U8(9), U8(12),
|
|
B(Star), R(9),
|
|
B(CallProperty1), R(9), R(5), R(6), U8(26),
|
|
B(Jump), U8(65),
|
|
B(LdaNamedProperty), R(5), U8(10), U8(10),
|
|
B(JumpIfUndefined), U8(13),
|
|
B(JumpIfNull), U8(11),
|
|
B(Star), R(9),
|
|
B(CallProperty1), R(9), R(5), R(6), U8(22),
|
|
B(Jump), U8(48),
|
|
B(Ldar), R(6),
|
|
/* 54 S> */ B(Return),
|
|
B(LdaNamedProperty), R(5), U8(11), U8(14),
|
|
B(JumpIfUndefined), U8(13),
|
|
B(JumpIfNull), U8(11),
|
|
B(Star), R(9),
|
|
B(CallProperty1), R(9), R(5), R(6), U8(28),
|
|
B(Jump), U8(28),
|
|
B(LdaNamedProperty), R(5), U8(10), U8(10),
|
|
B(Star), R(9),
|
|
B(JumpIfUndefined), U8(15),
|
|
B(JumpIfNull), U8(13),
|
|
B(CallProperty0), R(9), R(5), U8(24),
|
|
B(JumpIfJSReceiver), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(3), U8(1),
|
|
B(CallRuntime), U16(Runtime::kThrowThrowMethodMissing), R(0), U8(0),
|
|
B(Star), R(3),
|
|
B(JumpIfJSReceiver), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(3), U8(1),
|
|
B(LdaNamedProperty), R(3), U8(12), U8(16),
|
|
B(JumpIfToBooleanTrue), U8(34),
|
|
B(LdaSmi), I8(1),
|
|
B(SuspendGenerator), R(1), R(0), U8(9),
|
|
B(Ldar), R(3),
|
|
/* 54 S> */ B(Return),
|
|
B(RestoreGeneratorRegisters), R(1), R(0), U8(9),
|
|
B(LdaSmi), I8(-2),
|
|
B(Star), R(2),
|
|
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
|
|
B(Star), R(6),
|
|
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
|
|
B(Star), R(4),
|
|
B(JumpLoop), U8(147), I8(0),
|
|
B(LdaNamedProperty), R(3), U8(13), U8(18),
|
|
B(Star), R(5),
|
|
B(LdaSmi), I8(1),
|
|
B(TestEqualStrictNoFeedback), R(4),
|
|
B(JumpIfFalse), U8(5),
|
|
B(Ldar), R(5),
|
|
/* 54 S> */ B(Return),
|
|
B(LdaUndefined),
|
|
/* 54 S> */ B(Return),
|
|
]
|
|
constant pool: [
|
|
Smi [44],
|
|
Smi [107],
|
|
Smi [10],
|
|
Smi [7],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["g"],
|
|
SYMBOL_TYPE,
|
|
Smi [125],
|
|
Smi [17],
|
|
Smi [37],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["throw"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
|
|
]
|
|
handlers: [
|
|
]
|
|
|