dbbdd0eca2
Original change's description: > [runtime] Remove extension slots from context objects > > Context objects have an extension slot, which contains further > additional data that depends on the type of the context. > > This CL removes the extension slot from contexts that don't need > them, hence reducing memory. > > The following contexts will still have an extension slot: native, > module, await, block and with contexts. See objects/contexts.h for > what the slot is used for. > The following contexts will not have an extension slot anymore (they > were not used before): script, catch and builtin contexts. > Eval and function contexts only have the extension slot if they > contain a sloppy eval. > > Bug: v8:9744 > Change-Id: I8ca56c22fa02437bbac392ea72174ebfca80e030 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1863191 > Commit-Queue: Victor Gomes <victorgomes@google.com> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Reviewed-by: Jakob Gruber <jgruber@chromium.org> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Peter Marshall <petermarshall@chromium.org> > Auto-Submit: Victor Gomes <victorgomes@google.com> > Cr-Commit-Position: refs/heads/master@{#64372} TBR=verwaest@chromium.org,jgruber@chromium.org,ulan@chromium.org,leszeks@chromium.org,petermarshall@chromium.org Bug: v8:9744 Change-Id: I8700ed2fa62c89e86c39bb16ac3167f38ea8d63f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1873695 Commit-Queue: Victor Gomes <victorgomes@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Reviewed-by: Peter Marshall <petermarshall@chromium.org> Cr-Commit-Position: refs/heads/master@{#64477}
193 lines
4.9 KiB
Plaintext
193 lines
4.9 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: test
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private methods: yes
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---
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snippet: "
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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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constructor() {
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this.#a++;
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this.#a = 1;
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return this.#a;
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}
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}
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var test = A;
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new test;
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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: 95
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bytecodes: [
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/* 67 E> */ B(StackCheck),
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B(LdaCurrentContextSlot), U8(3),
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B(Star), R(1),
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B(Mov), R(this), R(0),
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B(CallRuntime), U16(Runtime::kAddPrivateBrand), R(0), U8(2),
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/* 76 S> */ B(LdaCurrentContextSlot), U8(2),
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B(Star), R(3),
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B(LdaCurrentContextSlot), U8(3),
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/* 81 E> */ B(LdaKeyedProperty), R(this), U8(0),
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B(CallRuntime), U16(Runtime::kLoadPrivateGetter), R(3), U8(1),
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B(Star), R(4),
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B(CallProperty0), R(4), R(this), U8(2),
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B(Inc), U8(4),
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B(Star), R(4),
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/* 83 E> */ B(CallRuntime), U16(Runtime::kLoadPrivateSetter), R(3), U8(1),
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B(Star), R(5),
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B(CallProperty1), R(5), R(this), R(4), U8(5),
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/* 91 S> */ B(LdaSmi), I8(1),
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B(Star), R(2),
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B(LdaCurrentContextSlot), U8(2),
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B(Star), R(4),
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B(LdaCurrentContextSlot), U8(3),
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/* 96 E> */ B(LdaKeyedProperty), R(this), U8(7),
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B(CallRuntime), U16(Runtime::kLoadPrivateSetter), R(4), U8(1),
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B(Star), R(5),
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B(CallProperty1), R(5), R(this), R(2), U8(9),
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/* 108 S> */ B(LdaCurrentContextSlot), U8(2),
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B(Star), R(3),
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B(LdaCurrentContextSlot), U8(3),
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/* 120 E> */ B(LdaKeyedProperty), R(this), U8(11),
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B(CallRuntime), U16(Runtime::kLoadPrivateGetter), R(3), U8(1),
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B(Star), R(4),
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B(CallProperty0), R(4), R(this), U8(13),
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/* 123 S> */ B(Return),
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]
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constant pool: [
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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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class B {
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get #b() { return 1; }
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constructor() { this.#b++; }
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}
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var test = B;
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new test;
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"
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frame size: 4
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parameter count: 1
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bytecode array length: 29
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bytecodes: [
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/* 48 E> */ B(StackCheck),
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B(LdaCurrentContextSlot), U8(3),
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B(Star), R(1),
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B(Mov), R(this), R(0),
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B(CallRuntime), U16(Runtime::kAddPrivateBrand), R(0), U8(2),
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/* 53 S> */ B(Wide), B(LdaSmi), I16(264),
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B(Star), R(2),
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B(LdaConstant), U8(0),
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B(Star), R(3),
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B(CallRuntime), U16(Runtime::kNewTypeError), R(2), U8(2),
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B(Throw),
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]
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constant pool: [
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["#b"],
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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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class C {
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set #c(val) { }
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constructor() { this.#c++; }
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}
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var test = C;
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new test;
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"
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frame size: 4
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parameter count: 1
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bytecode array length: 29
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bytecodes: [
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/* 41 E> */ B(StackCheck),
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B(LdaCurrentContextSlot), U8(3),
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B(Star), R(1),
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B(Mov), R(this), R(0),
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B(CallRuntime), U16(Runtime::kAddPrivateBrand), R(0), U8(2),
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/* 46 S> */ B(Wide), B(LdaSmi), I16(263),
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B(Star), R(2),
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B(LdaConstant), U8(0),
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B(Star), R(3),
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B(CallRuntime), U16(Runtime::kNewTypeError), R(2), U8(2),
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B(Throw),
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]
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constant pool: [
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["#c"],
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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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class D {
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get #d() { return 1; }
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constructor() { this.#d = 1; }
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}
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var test = D;
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new test;
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"
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frame size: 4
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parameter count: 1
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bytecode array length: 29
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bytecodes: [
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/* 48 E> */ B(StackCheck),
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B(LdaCurrentContextSlot), U8(3),
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B(Star), R(1),
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B(Mov), R(this), R(0),
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B(CallRuntime), U16(Runtime::kAddPrivateBrand), R(0), U8(2),
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/* 53 S> */ B(Wide), B(LdaSmi), I16(264),
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B(Star), R(2),
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B(LdaConstant), U8(0),
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B(Star), R(3),
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/* 61 E> */ B(CallRuntime), U16(Runtime::kNewTypeError), R(2), U8(2),
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B(Throw),
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]
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constant pool: [
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["#d"],
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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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class E {
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set #e(val) { }
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constructor() { this.#e; }
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}
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var test = E;
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new test;
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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: 29
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bytecodes: [
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/* 41 E> */ B(StackCheck),
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B(LdaCurrentContextSlot), U8(3),
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B(Star), R(1),
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B(Mov), R(this), R(0),
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B(CallRuntime), U16(Runtime::kAddPrivateBrand), R(0), U8(2),
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/* 46 S> */ B(Wide), B(LdaSmi), I16(263),
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B(Star), R(3),
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B(LdaConstant), U8(0),
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B(Star), R(4),
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B(CallRuntime), U16(Runtime::kNewTypeError), R(3), U8(2),
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B(Throw),
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]
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constant pool: [
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["#e"],
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]
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handlers: [
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]
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