5fcf508e07
This reverts commit c5ad9c6d8e.
Reason for revert: Fails on gc stress:
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20GC%20Stress%20-%20custom%20snapshot/builds/12661
Original change's description:
> [TypeFeedbackVector] Store optimized code in the vector
>
> Since the feedback vector is itself a native context structure, why
> not store optimized code for a function in there rather than in
> a map from native context to code? This allows us to get rid of
> the optimized code map in the SharedFunctionInfo, saving a pointer,
> and making lookup of any optimized code quicker.
>
> Original patch by Michael Stanton <mvstanton@chromium.org>
>
> BUG=v8:6246
>
> Change-Id: I60ff8c408c3001bc272b4b198c9cbaea2872a9e5
> Reviewed-on: https://chromium-review.googlesource.com/476891
> Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
> Reviewed-by: Michael Stanton <mvstanton@chromium.org>
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#45022}
TBR=ulan@chromium.org,rmcilroy@chromium.org,yangguo@chromium.org,mvstanton@chromium.org,jarin@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6246
Change-Id: I9cd5735b03898cae6ae7adea0f19d32fceb31619
Reviewed-on: https://chromium-review.googlesource.com/493287
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45027}
241 lines
7.1 KiB
Plaintext
241 lines
7.1 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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test function name: f
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---
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snippet: "
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eval('var x = 10;'); return x;
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"
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frame size: 9
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parameter count: 1
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bytecode array length: 62
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bytecodes: [
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B(CreateFunctionContext), U8(3),
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B(PushContext), R(0),
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B(Ldar), R(this),
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B(StaCurrentContextSlot), U8(4),
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B(CreateMappedArguments),
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B(StaCurrentContextSlot), U8(6),
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B(Ldar), R(new_target),
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B(StaCurrentContextSlot), U8(5),
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/* 10 E> */ B(StackCheck),
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/* 14 S> */ B(LdaLookupGlobalSlot), U8(0), U8(4), U8(1),
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B(Star), R(1),
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B(LdaConstant), U8(1),
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B(Star), R(2),
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B(LdaZero),
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B(Star), R(6),
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B(LdaSmi), I8(10),
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B(Star), R(7),
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B(LdaSmi), I8(14),
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B(Star), R(8),
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B(Mov), R(1), R(3),
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B(Mov), R(2), R(4),
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B(Mov), R(closure), R(5),
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B(CallRuntime), U16(Runtime::kResolvePossiblyDirectEval), R(3), U8(6),
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B(Star), R(1),
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/* 14 E> */ B(CallUndefinedReceiver1), R(1), R(2), U8(2),
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/* 35 S> */ B(LdaLookupGlobalSlot), U8(2), U8(6), U8(1),
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/* 45 S> */ B(Return),
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]
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constant pool: [
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["eval"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["var x = 10;"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
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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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eval('var x = 10;'); return typeof x;
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"
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frame size: 9
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parameter count: 1
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bytecode array length: 63
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bytecodes: [
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B(CreateFunctionContext), U8(3),
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B(PushContext), R(0),
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B(Ldar), R(this),
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B(StaCurrentContextSlot), U8(4),
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B(CreateMappedArguments),
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B(StaCurrentContextSlot), U8(6),
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B(Ldar), R(new_target),
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B(StaCurrentContextSlot), U8(5),
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/* 10 E> */ B(StackCheck),
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/* 14 S> */ B(LdaLookupGlobalSlot), U8(0), U8(4), U8(1),
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B(Star), R(1),
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B(LdaConstant), U8(1),
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B(Star), R(2),
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B(LdaZero),
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B(Star), R(6),
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B(LdaSmi), I8(10),
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B(Star), R(7),
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B(LdaSmi), I8(14),
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B(Star), R(8),
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B(Mov), R(1), R(3),
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B(Mov), R(2), R(4),
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B(Mov), R(closure), R(5),
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B(CallRuntime), U16(Runtime::kResolvePossiblyDirectEval), R(3), U8(6),
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B(Star), R(1),
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/* 14 E> */ B(CallUndefinedReceiver1), R(1), R(2), U8(2),
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/* 35 S> */ B(LdaLookupGlobalSlotInsideTypeof), U8(2), U8(6), U8(1),
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B(TypeOf),
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/* 52 S> */ B(Return),
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]
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constant pool: [
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["eval"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["var x = 10;"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
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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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x = 20; return eval('');
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"
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frame size: 9
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parameter count: 1
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bytecode array length: 62
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bytecodes: [
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B(CreateFunctionContext), U8(3),
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B(PushContext), R(0),
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B(Ldar), R(this),
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B(StaCurrentContextSlot), U8(4),
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B(CreateMappedArguments),
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B(StaCurrentContextSlot), U8(6),
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B(Ldar), R(new_target),
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B(StaCurrentContextSlot), U8(5),
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/* 10 E> */ B(StackCheck),
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/* 14 S> */ B(LdaSmi), I8(20),
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/* 16 E> */ B(StaLookupSlotSloppy), U8(0),
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/* 22 S> */ B(LdaLookupGlobalSlot), U8(1), U8(4), U8(1),
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B(Star), R(1),
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B(LdaConstant), U8(2),
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B(Star), R(2),
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B(LdaZero),
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B(Star), R(6),
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B(LdaSmi), I8(10),
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B(Star), R(7),
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B(LdaSmi), I8(29),
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B(Star), R(8),
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B(Mov), R(1), R(3),
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B(Mov), R(2), R(4),
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B(Mov), R(closure), R(5),
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B(CallRuntime), U16(Runtime::kResolvePossiblyDirectEval), R(3), U8(6),
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B(Star), R(1),
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/* 29 E> */ B(CallUndefinedReceiver1), R(1), R(2), U8(2),
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/* 39 S> */ B(Return),
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]
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constant pool: [
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["eval"],
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ONE_BYTE_INTERNALIZED_STRING_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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var x = 20;
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f = function(){
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eval('var x = 10');
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return x;
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}
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f();
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"
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frame size: 9
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parameter count: 1
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bytecode array length: 62
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bytecodes: [
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B(CreateFunctionContext), U8(3),
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B(PushContext), R(0),
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B(Ldar), R(this),
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B(StaCurrentContextSlot), U8(4),
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B(CreateMappedArguments),
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B(StaCurrentContextSlot), U8(6),
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B(Ldar), R(new_target),
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B(StaCurrentContextSlot), U8(5),
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/* 38 E> */ B(StackCheck),
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/* 44 S> */ B(LdaLookupGlobalSlot), U8(0), U8(4), U8(1),
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B(Star), R(1),
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B(LdaConstant), U8(1),
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B(Star), R(2),
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B(LdaZero),
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B(Star), R(6),
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B(LdaSmi), I8(38),
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B(Star), R(7),
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B(LdaSmi), I8(44),
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B(Star), R(8),
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B(Mov), R(1), R(3),
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B(Mov), R(2), R(4),
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B(Mov), R(closure), R(5),
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B(CallRuntime), U16(Runtime::kResolvePossiblyDirectEval), R(3), U8(6),
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B(Star), R(1),
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/* 44 E> */ B(CallUndefinedReceiver1), R(1), R(2), U8(2),
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/* 66 S> */ B(LdaLookupContextSlot), U8(2), U8(6), U8(1),
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/* 76 S> */ B(Return),
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]
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constant pool: [
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["eval"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["var x = 10"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
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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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x = 20;
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f = function(){
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eval('var x = 10');
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return x;
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}
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f();
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"
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frame size: 9
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parameter count: 1
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bytecode array length: 62
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bytecodes: [
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B(CreateFunctionContext), U8(3),
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B(PushContext), R(0),
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B(Ldar), R(this),
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B(StaCurrentContextSlot), U8(4),
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B(CreateMappedArguments),
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B(StaCurrentContextSlot), U8(6),
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B(Ldar), R(new_target),
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B(StaCurrentContextSlot), U8(5),
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/* 34 E> */ B(StackCheck),
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/* 40 S> */ B(LdaLookupGlobalSlot), U8(0), U8(4), U8(1),
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B(Star), R(1),
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B(LdaConstant), U8(1),
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B(Star), R(2),
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B(LdaZero),
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B(Star), R(6),
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B(LdaSmi), I8(34),
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B(Star), R(7),
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B(LdaSmi), I8(40),
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B(Star), R(8),
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B(Mov), R(1), R(3),
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B(Mov), R(2), R(4),
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B(Mov), R(closure), R(5),
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B(CallRuntime), U16(Runtime::kResolvePossiblyDirectEval), R(3), U8(6),
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B(Star), R(1),
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/* 40 E> */ B(CallUndefinedReceiver1), R(1), R(2), U8(2),
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/* 62 S> */ B(LdaLookupGlobalSlot), U8(2), U8(6), U8(1),
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/* 72 S> */ B(Return),
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]
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constant pool: [
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["eval"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["var x = 10"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
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]
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handlers: [
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]
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