572234aa6b
This patch excludes brand symbols from the result of JSReceiver::GetPrivateEntries so that the brands do not show up when the instances are inspected from the DevTools (e.g. via `Runtime.getProperties()`). To implement this, we use a bit in the Symbols to denote whether it's a brand symbol. A brand symbol is also a private name symbol so that we can just reuse the IC for accessing private names and do not need to jump through extra ORs. Design doc: https://docs.google.com/document/d/1N91LObhQexnB0eE7EvGe57HsvNMFX16CaWu-XCTnnmY/edit Bug: v8:8671, v8:9839, v8:8330 Change-Id: I24346aeedce3602395289052d1e1350ae9390354 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1909757 Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Joyee Cheung <joyee@igalia.com> Cr-Commit-Position: refs/heads/master@{#64899}
390 lines
12 KiB
Plaintext
390 lines
12 KiB
Plaintext
#
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# Autogenerated by generate-bytecode-expectations.
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#
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---
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wrap: yes
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private methods: yes
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---
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snippet: "
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{
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class A {
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get #a() { return 1; }
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set #a(val) { }
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}
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}
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"
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frame size: 7
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parameter count: 1
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bytecode array length: 65
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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B(CreateBlockContext), U8(0),
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B(PushContext), R(1),
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B(LdaConstant), U8(2),
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B(Star), R(3),
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B(CallRuntime), U16(Runtime::kCreatePrivateBrandSymbol), R(3), U8(1),
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B(StaCurrentContextSlot), U8(3),
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B(LdaTheHole),
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B(Star), R(6),
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B(CreateClosure), U8(3), U8(0), U8(2),
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B(Star), R(2),
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B(LdaConstant), U8(1),
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B(Star), R(4),
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B(Mov), R(2), R(5),
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B(CallRuntime), U16(Runtime::kDefineClass), R(4), U8(3),
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B(Star), R(4),
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B(CreateClosure), U8(4), U8(1), U8(2),
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B(Star), R(5),
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B(CreateClosure), U8(5), U8(2), U8(2),
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B(Star), R(6),
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B(CallRuntime), U16(Runtime::kCreatePrivateAccessors), R(5), U8(2),
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B(StaCurrentContextSlot), U8(2),
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B(PopContext), R(1),
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B(Mov), R(2), R(0),
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B(LdaUndefined),
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/* 101 S> */ B(Return),
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]
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constant pool: [
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SCOPE_INFO_TYPE,
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FIXED_ARRAY_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["A"],
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SHARED_FUNCTION_INFO_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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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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{
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class B {
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get #b() { return 1; }
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}
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}
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"
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frame size: 7
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parameter count: 1
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bytecode array length: 62
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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B(CreateBlockContext), U8(0),
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B(PushContext), R(1),
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B(LdaConstant), U8(2),
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B(Star), R(3),
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B(CallRuntime), U16(Runtime::kCreatePrivateBrandSymbol), R(3), U8(1),
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B(StaCurrentContextSlot), U8(3),
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B(LdaTheHole),
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B(Star), R(6),
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B(CreateClosure), U8(3), U8(0), U8(2),
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B(Star), R(2),
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B(LdaConstant), U8(1),
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B(Star), R(4),
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B(Mov), R(2), R(5),
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B(CallRuntime), U16(Runtime::kDefineClass), R(4), U8(3),
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B(Star), R(4),
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B(CreateClosure), U8(4), U8(1), U8(2),
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B(Star), R(5),
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B(LdaNull),
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B(Star), R(6),
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B(CallRuntime), U16(Runtime::kCreatePrivateAccessors), R(5), U8(2),
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B(StaCurrentContextSlot), U8(2),
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B(PopContext), R(1),
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B(Mov), R(2), R(0),
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B(LdaUndefined),
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/* 81 S> */ B(Return),
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]
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constant pool: [
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SCOPE_INFO_TYPE,
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FIXED_ARRAY_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["B"],
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SHARED_FUNCTION_INFO_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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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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{
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class C {
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set #c(val) { }
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}
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}
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"
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frame size: 7
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parameter count: 1
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bytecode array length: 62
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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B(CreateBlockContext), U8(0),
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B(PushContext), R(1),
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B(LdaConstant), U8(2),
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B(Star), R(3),
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B(CallRuntime), U16(Runtime::kCreatePrivateBrandSymbol), R(3), U8(1),
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B(StaCurrentContextSlot), U8(3),
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B(LdaTheHole),
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B(Star), R(6),
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B(CreateClosure), U8(3), U8(0), U8(2),
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B(Star), R(2),
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B(LdaConstant), U8(1),
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B(Star), R(4),
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B(Mov), R(2), R(5),
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B(CallRuntime), U16(Runtime::kDefineClass), R(4), U8(3),
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B(Star), R(4),
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B(LdaNull),
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B(Star), R(5),
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B(CreateClosure), U8(4), U8(1), U8(2),
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B(Star), R(6),
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B(CallRuntime), U16(Runtime::kCreatePrivateAccessors), R(5), U8(2),
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B(StaCurrentContextSlot), U8(2),
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B(PopContext), R(1),
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B(Mov), R(2), R(0),
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B(LdaUndefined),
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/* 74 S> */ B(Return),
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]
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constant pool: [
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SCOPE_INFO_TYPE,
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FIXED_ARRAY_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["C"],
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SHARED_FUNCTION_INFO_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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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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{
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class D {
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get #d() { return 1; }
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set #d(val) { }
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}
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class E extends D {
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get #e() { return 2; }
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set #e(val) { }
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}
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}
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"
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frame size: 8
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parameter count: 1
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bytecode array length: 127
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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B(CreateBlockContext), U8(0),
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B(PushContext), R(2),
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B(LdaConstant), U8(2),
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B(Star), R(4),
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B(CallRuntime), U16(Runtime::kCreatePrivateBrandSymbol), R(4), U8(1),
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B(StaCurrentContextSlot), U8(3),
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B(LdaTheHole),
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B(Star), R(7),
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B(CreateClosure), U8(3), U8(0), U8(2),
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B(Star), R(3),
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B(LdaConstant), U8(1),
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B(Star), R(5),
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B(Mov), R(3), R(6),
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B(CallRuntime), U16(Runtime::kDefineClass), R(5), U8(3),
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B(Star), R(5),
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B(CreateClosure), U8(4), U8(1), U8(2),
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B(Star), R(6),
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B(CreateClosure), U8(5), U8(2), U8(2),
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B(Star), R(7),
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B(CallRuntime), U16(Runtime::kCreatePrivateAccessors), R(6), U8(2),
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B(StaCurrentContextSlot), U8(2),
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B(PopContext), R(2),
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B(Mov), R(3), R(0),
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/* 38 E> */ B(CreateBlockContext), U8(6),
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B(PushContext), R(2),
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B(LdaConstant), U8(8),
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B(Star), R(4),
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B(CallRuntime), U16(Runtime::kCreatePrivateBrandSymbol), R(4), U8(1),
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B(StaCurrentContextSlot), U8(3),
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/* 118 E> */ B(CreateClosure), U8(9), U8(3), U8(2),
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B(Star), R(3),
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B(LdaConstant), U8(7),
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B(Star), R(5),
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B(Mov), R(3), R(6),
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B(Mov), R(0), R(7),
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B(CallRuntime), U16(Runtime::kDefineClass), R(5), U8(3),
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B(Star), R(5),
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B(CreateClosure), U8(10), U8(4), U8(2),
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B(Star), R(6),
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B(CreateClosure), U8(11), U8(5), U8(2),
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B(Star), R(7),
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B(CallRuntime), U16(Runtime::kCreatePrivateAccessors), R(6), U8(2),
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B(StaCurrentContextSlot), U8(2),
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B(PopContext), R(2),
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B(Mov), R(3), R(1),
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B(LdaUndefined),
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/* 175 S> */ B(Return),
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]
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constant pool: [
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SCOPE_INFO_TYPE,
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FIXED_ARRAY_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["D"],
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SHARED_FUNCTION_INFO_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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SCOPE_INFO_TYPE,
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FIXED_ARRAY_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["E"],
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SHARED_FUNCTION_INFO_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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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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{
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class A { foo() {} }
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class C extends A {
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get #a() { return super.foo; }
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}
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new C();
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}
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"
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frame size: 8
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parameter count: 1
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bytecode array length: 113
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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B(CreateBlockContext), U8(0),
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B(PushContext), R(2),
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B(LdaTheHole),
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B(Star), R(6),
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B(CreateClosure), U8(2), U8(0), U8(2),
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B(Star), R(3),
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B(LdaConstant), U8(1),
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B(Star), R(4),
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B(CreateClosure), U8(3), U8(1), U8(2),
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B(Star), R(7),
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B(Mov), R(3), R(5),
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B(CallRuntime), U16(Runtime::kDefineClass), R(4), U8(4),
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B(Star), R(4),
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B(PopContext), R(2),
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B(Mov), R(5), R(0),
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/* 38 E> */ B(CreateBlockContext), U8(4),
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B(PushContext), R(2),
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B(LdaConstant), U8(6),
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B(Star), R(4),
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B(CallRuntime), U16(Runtime::kCreatePrivateBrandSymbol), R(4), U8(1),
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B(StaCurrentContextSlot), U8(3),
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/* 77 E> */ B(CreateClosure), U8(7), U8(2), U8(2),
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B(Star), R(3),
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B(LdaConstant), U8(5),
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B(Star), R(5),
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B(Mov), R(3), R(6),
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B(Mov), R(0), R(7),
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B(CallRuntime), U16(Runtime::kDefineClass), R(5), U8(3),
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B(Star), R(5),
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B(CreateClosure), U8(8), U8(3), U8(2),
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B(Star), R(6),
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B(Ldar), R(5),
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B(StaNamedProperty), R(6), U8(9), U8(0),
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B(LdaNull),
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B(Star), R(7),
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B(CallRuntime), U16(Runtime::kCreatePrivateAccessors), R(6), U8(2),
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B(StaCurrentContextSlot), U8(2),
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B(PopContext), R(2),
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B(Mov), R(3), R(1),
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/* 122 S> */ B(Ldar), R(1),
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/* 122 E> */ B(Construct), R(1), R(0), U8(0), U8(2),
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B(LdaUndefined),
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/* 133 S> */ B(Return),
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]
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constant pool: [
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SCOPE_INFO_TYPE,
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FIXED_ARRAY_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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SCOPE_INFO_TYPE,
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FIXED_ARRAY_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["C"],
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SHARED_FUNCTION_INFO_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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SYMBOL_TYPE,
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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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{
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class A { foo(val) {} }
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class C extends A {
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set #a(val) { super.foo(val); }
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}
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new C();
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}
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"
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frame size: 8
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parameter count: 1
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bytecode array length: 113
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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B(CreateBlockContext), U8(0),
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B(PushContext), R(2),
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B(LdaTheHole),
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B(Star), R(6),
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B(CreateClosure), U8(2), U8(0), U8(2),
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B(Star), R(3),
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B(LdaConstant), U8(1),
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B(Star), R(4),
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B(CreateClosure), U8(3), U8(1), U8(2),
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B(Star), R(7),
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B(Mov), R(3), R(5),
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B(CallRuntime), U16(Runtime::kDefineClass), R(4), U8(4),
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B(Star), R(4),
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B(PopContext), R(2),
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B(Mov), R(5), R(0),
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/* 38 E> */ B(CreateBlockContext), U8(4),
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B(PushContext), R(2),
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B(LdaConstant), U8(6),
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B(Star), R(4),
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B(CallRuntime), U16(Runtime::kCreatePrivateBrandSymbol), R(4), U8(1),
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B(StaCurrentContextSlot), U8(3),
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/* 80 E> */ B(CreateClosure), U8(7), U8(2), U8(2),
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B(Star), R(3),
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B(LdaConstant), U8(5),
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B(Star), R(5),
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B(Mov), R(3), R(6),
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B(Mov), R(0), R(7),
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B(CallRuntime), U16(Runtime::kDefineClass), R(5), U8(3),
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B(Star), R(5),
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B(LdaNull),
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B(Star), R(6),
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B(CreateClosure), U8(8), U8(3), U8(2),
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B(Star), R(7),
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B(Ldar), R(5),
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B(StaNamedProperty), R(7), U8(9), U8(0),
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B(CallRuntime), U16(Runtime::kCreatePrivateAccessors), R(6), U8(2),
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B(StaCurrentContextSlot), U8(2),
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B(PopContext), R(2),
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B(Mov), R(3), R(1),
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/* 126 S> */ B(Ldar), R(1),
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/* 126 E> */ B(Construct), R(1), R(0), U8(0), U8(2),
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B(LdaUndefined),
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/* 137 S> */ B(Return),
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]
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constant pool: [
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SCOPE_INFO_TYPE,
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FIXED_ARRAY_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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SCOPE_INFO_TYPE,
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FIXED_ARRAY_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["C"],
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SHARED_FUNCTION_INFO_TYPE,
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SHARED_FUNCTION_INFO_TYPE,
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SYMBOL_TYPE,
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]
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handlers: [
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]
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