1e5b2358a7
V8 implements "delete this" as "LdaTrue", but an error needs to be thrown if done in a constructor before calling super. ThrowIfHole checks the accumulator, so we need to load 'this' into the accumulator. The check is inserted by the load since it has HoleCheckMode::kRequired Bug: https://bugs.chromium.org/p/v8/issues/detail?id=6711 Change-Id: I9f2ce4439505cec4327d88d1195898782edea721 Reviewed-on: https://chromium-review.googlesource.com/c/1419084 Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Matt Gardner <magardn@microsoft.com> Cr-Commit-Position: refs/heads/master@{#59007}
157 lines
3.0 KiB
Plaintext
157 lines
3.0 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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---
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snippet: "
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var a = {x:13, y:14}; return delete a.x;
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"
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frame size: 1
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parameter count: 1
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bytecode array length: 12
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(41),
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B(Star), R(0),
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/* 56 S> */ B(LdaConstant), U8(1),
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B(DeletePropertySloppy), R(0),
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/* 74 S> */ B(Return),
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]
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constant pool: [
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OBJECT_BOILERPLATE_DESCRIPTION_TYPE,
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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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'use strict'; var a = {x:13, y:14}; return delete a.x;
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"
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frame size: 1
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parameter count: 1
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bytecode array length: 12
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 56 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(41),
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B(Star), R(0),
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/* 70 S> */ B(LdaConstant), U8(1),
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B(DeletePropertyStrict), R(0),
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/* 88 S> */ B(Return),
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]
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constant pool: [
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OBJECT_BOILERPLATE_DESCRIPTION_TYPE,
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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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var a = {1:13, 2:14}; return delete a[2];
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"
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frame size: 1
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parameter count: 1
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bytecode array length: 12
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(41),
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B(Star), R(0),
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/* 56 S> */ B(LdaSmi), I8(2),
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B(DeletePropertySloppy), R(0),
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/* 75 S> */ B(Return),
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]
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constant pool: [
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OBJECT_BOILERPLATE_DESCRIPTION_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 a = 10; return delete a;
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"
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frame size: 1
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parameter count: 1
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bytecode array length: 7
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(LdaSmi), I8(10),
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B(Star), R(0),
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/* 46 S> */ B(LdaFalse),
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/* 62 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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'use strict';
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var a = {1:10};
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(function f1() {return a;});
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return delete a[1];
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"
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frame size: 2
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parameter count: 1
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bytecode array length: 25
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bytecodes: [
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B(CreateFunctionContext), U8(0), U8(1),
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B(PushContext), R(0),
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/* 30 E> */ B(StackCheck),
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/* 56 S> */ B(CreateObjectLiteral), U8(1), U8(0), U8(41),
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/* 56 E> */ B(StaCurrentContextSlot), U8(4),
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/* 64 S> */ B(CreateClosure), U8(2), U8(1), U8(2),
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/* 93 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
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B(Star), R(1),
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B(LdaSmi), I8(1),
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B(DeletePropertyStrict), R(1),
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/* 112 S> */ B(Return),
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]
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constant pool: [
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SCOPE_INFO_TYPE,
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OBJECT_BOILERPLATE_DESCRIPTION_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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return delete 'test';
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"
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frame size: 0
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parameter count: 1
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bytecode array length: 3
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 34 S> */ B(LdaTrue),
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/* 55 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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return delete this;
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"
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frame size: 0
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parameter count: 1
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bytecode array length: 3
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bytecodes: [
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/* 30 E> */ B(StackCheck),
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/* 34 S> */ B(LdaTrue),
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/* 53 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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