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Kmake/deps/v8/test/unittests/interpreter/bytecode_expectations/ElideRedundantHoleChecks.golden
Gorochu 555ec72358 Upload Kmake
2026-05-26 23:36:42 -07:00

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#
# Autogenerated by generate-bytecode-expectations.
#
---
wrap: no
test function name: f
elide redundant tdz checks: yes
---
snippet: "
{
f = function f(a) {
x; x;
}
let w, x, y, z;
f();
}
"
frame size: 0
parameter count: 2
bytecode array length: 6
bytecodes: [
/* 24 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
/* 27 S> */ B(LdaUndefined),
/* 32 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
if (x) { y; }
x + y;
}
let w, x, y, z;
f();
}
"
frame size: 1
parameter count: 2
bytecode array length: 22
bytecodes: [
/* 24 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
B(JumpIfToBooleanFalse), U8(6),
/* 33 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
/* 38 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(Star0),
B(LdaImmutableCurrentContextSlot), U8(3),
/* 42 E> */ B(ThrowReferenceErrorIfHole), U8(1),
/* 40 E> */ B(Add), R(0), U8(0),
B(LdaUndefined),
/* 47 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
if (a) { x; y; } else { x; z; }
x; y; z;
}
let w, x, y, z;
f();
}
"
frame size: 0
parameter count: 2
bytecode array length: 34
bytecodes: [
/* 24 S> */ B(Ldar), R(arg0),
B(JumpIfToBooleanFalse), U8(12),
/* 33 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
/* 36 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
B(Jump), U8(10),
/* 48 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
/* 51 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(2),
/* 56 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
/* 59 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
/* 62 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(2),
B(LdaUndefined),
/* 67 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["z"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
while (x) { y; }
x; y;
}
let w, x, y, z;
f();
}
"
frame size: 0
parameter count: 2
bytecode array length: 22
bytecodes: [
/* 31 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
B(JumpIfToBooleanFalse), U8(10),
/* 36 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
/* 24 E> */ B(JumpLoop), U8(10), I8(0), U8(0),
/* 41 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
/* 44 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
B(LdaUndefined),
/* 49 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
do { x; } while (y);
x; y;
}
let w, x, y, z;
f();
}
"
frame size: 0
parameter count: 2
bytecode array length: 20
bytecodes: [
/* 29 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
/* 41 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
B(JumpIfToBooleanFalse), U8(6),
/* 24 E> */ B(JumpLoop), U8(10), I8(0), U8(0),
/* 45 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
/* 48 S> */ B(LdaUndefined),
/* 53 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
do { x; break; } while (y);
x; y;
}
let w, x, y, z;
f();
}
"
frame size: 0
parameter count: 2
bytecode array length: 16
bytecodes: [
/* 29 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
/* 32 S> */ B(Jump), U8(2),
/* 52 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
/* 55 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
B(LdaUndefined),
/* 60 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
for (x; y; z) { w; }
x; y; z; w;
}
let w, x, y, z;
f();
}
"
frame size: 0
parameter count: 2
bytecode array length: 36
bytecodes: [
/* 29 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(0),
/* 32 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(1),
B(JumpIfToBooleanFalse), U8(14),
/* 40 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(2),
/* 35 S> */ B(LdaImmutableCurrentContextSlot), U8(5),
B(ThrowReferenceErrorIfHole), U8(3),
/* 24 E> */ B(JumpLoop), U8(14), I8(0), U8(0),
/* 45 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
/* 48 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
/* 51 S> */ B(LdaImmutableCurrentContextSlot), U8(5),
B(ThrowReferenceErrorIfHole), U8(3),
/* 54 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(2),
B(LdaUndefined),
/* 59 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["w"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["z"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
for (x in [y]) { z; }
x; y; z;
}
let w, x, y, z;
f();
}
"
frame size: 6
parameter count: 2
bytecode array length: 70
bytecodes: [
/* 34 S> */ B(CreateArrayLiteral), U8(0), U8(1), U8(37),
B(Star0),
B(LdaZero),
B(Star1),
B(LdaImmutableCurrentContextSlot), U8(3),
/* 35 E> */ B(ThrowReferenceErrorIfHole), U8(1),
B(StaInArrayLiteral), R(0), R(1), U8(2),
B(Ldar), R(0),
B(JumpIfUndefinedOrNull), U8(41),
B(ToObject), R(0),
B(ForInEnumerate), R(0),
B(ForInPrepare), R(1), U8(0),
B(LdaZero),
B(Star4),
/* 29 S> */ B(JumpIfForInDone), U8(30), R(4), R(3),
B(ForInNext), R(0), R(4), R(1), U8(0),
B(JumpIfUndefined), U8(15),
B(Star5),
B(LdaCurrentContextSlot), U8(2),
/* 29 E> */ B(ThrowReferenceErrorIfHole), U8(2),
B(Ldar), R(5),
B(StaCurrentContextSlot), U8(2),
/* 41 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(3),
B(ForInStep), R(4),
/* 24 E> */ B(JumpLoop), U8(26), I8(0), U8(4),
/* 46 S> */ B(LdaCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(2),
/* 49 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
/* 52 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(3),
B(LdaUndefined),
/* 57 S> */ B(Return),
]
constant pool: [
ARRAY_BOILERPLATE_DESCRIPTION_TYPE,
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["z"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
for (x of [y]) { z; }
x; y; z;
}
let w, x, y, z;
f();
}
"
frame size: 10
parameter count: 2
bytecode array length: 147
bytecodes: [
/* 34 S> */ B(CreateArrayLiteral), U8(0), U8(0), U8(37),
B(Star0),
B(LdaZero),
B(Star1),
B(LdaImmutableCurrentContextSlot), U8(3),
/* 35 E> */ B(ThrowReferenceErrorIfHole), U8(1),
B(StaInArrayLiteral), R(0), R(1), U8(1),
B(GetIterator), R(0), U8(3), U8(5),
B(Star1),
B(GetNamedProperty), R(1), U8(2), U8(7),
B(Star0),
B(LdaFalse),
B(Star2),
B(LdaTheHole),
B(Star5),
B(Mov), R(context), R(6),
B(LdaTrue),
B(Star2),
/* 29 S> */ B(CallProperty0), R(0), R(1), U8(9),
B(Star7),
B(JumpIfJSReceiver), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(7), U8(1),
B(GetNamedProperty), R(7), U8(3), U8(11),
B(JumpIfToBooleanTrue), U8(25),
B(GetNamedProperty), R(7), U8(4), U8(13),
B(Star7),
B(LdaFalse),
B(Star2),
B(LdaCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(5),
B(Ldar), R(7),
B(StaCurrentContextSlot), U8(2),
/* 41 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(6),
/* 24 E> */ B(JumpLoop), U8(39), I8(0), U8(15),
B(LdaSmi), I8(-1),
B(Star4),
B(Star3),
B(Jump), U8(8),
B(Star4),
B(LdaZero),
B(Star3),
B(LdaTheHole),
B(SetPendingMessage),
B(Star5),
B(Ldar), R(2),
B(JumpIfToBooleanTrue), U8(35),
B(Mov), R(context), R(7),
B(GetNamedProperty), R(1), U8(7), U8(16),
B(JumpIfUndefinedOrNull), U8(26),
B(Star8),
B(CallProperty0), R(8), R(1), U8(18),
B(JumpIfJSReceiver), U8(19),
B(Star9),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(9), U8(1),
B(Jump), U8(11),
B(Star7),
B(LdaZero),
B(TestReferenceEqual), R(3),
B(JumpIfTrue), U8(5),
B(Ldar), R(7),
B(ReThrow),
B(LdaZero),
B(TestReferenceEqual), R(3),
B(JumpIfFalse), U8(8),
B(Ldar), R(5),
B(SetPendingMessage),
B(Ldar), R(4),
B(ReThrow),
/* 46 S> */ B(LdaCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(5),
/* 49 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
/* 52 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(6),
B(LdaUndefined),
/* 57 S> */ B(Return),
]
constant pool: [
ARRAY_BOILERPLATE_DESCRIPTION_TYPE,
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["next"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["done"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["value"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["z"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["return"],
]
handlers: [
[32, 75, 81],
[94, 113, 115],
]
---
snippet: "
{
f = function f(a) {
try { x; } catch (y) { y; z; } finally { w; }
x; y; z; w;
}
let w, x, y, z;
f();
}
"
frame size: 6
parameter count: 2
bytecode array length: 76
bytecodes: [
B(LdaTheHole),
B(Star2),
B(Mov), R(context), R(3),
B(Mov), R(context), R(4),
/* 30 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(0),
B(Jump), U8(23),
B(Star5),
B(CreateCatchContext), R(5), U8(1),
B(Star4),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(4),
B(PushContext), R(5),
/* 47 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
/* 50 S> */ B(LdaImmutableContextSlot), R(5), U8(5), U8(0),
B(ThrowReferenceErrorIfHole), U8(2),
B(PopContext), R(5),
B(LdaSmi), I8(-1),
B(Star1),
B(Star0),
B(Jump), U8(8),
B(Star1),
B(LdaZero),
B(Star0),
B(LdaTheHole),
B(SetPendingMessage),
B(Star2),
/* 65 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(3),
B(LdaZero),
B(TestReferenceEqual), R(0),
B(JumpIfFalse), U8(8),
B(Ldar), R(2),
B(SetPendingMessage),
B(Ldar), R(1),
B(ReThrow),
/* 70 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(0),
/* 73 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(4),
/* 76 S> */ B(LdaImmutableCurrentContextSlot), U8(5),
B(ThrowReferenceErrorIfHole), U8(2),
/* 79 S> */ B(LdaUndefined),
/* 84 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
SCOPE_INFO_TYPE,
INTERNALIZED_ONE_BYTE_STRING_TYPE ["z"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["w"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
]
handlers: [
[5, 35, 41],
[8, 12, 14],
]
---
snippet: "
{
f = function f(a) {
let { p = x } = { p: 42 }
x;
}
let w, x, y, z;
f();
}
"
frame size: 2
parameter count: 2
bytecode array length: 22
bytecodes: [
/* 40 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(41),
B(Star1),
/* 30 E> */ B(GetNamedProperty), R(1), U8(1), U8(1),
B(JumpIfNotUndefined), U8(6),
B(LdaImmutableCurrentContextSlot), U8(2),
/* 34 E> */ B(ThrowReferenceErrorIfHole), U8(2),
B(Star0),
/* 50 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(2),
B(LdaUndefined),
/* 55 S> */ B(Return),
]
constant pool: [
OBJECT_BOILERPLATE_DESCRIPTION_TYPE,
INTERNALIZED_ONE_BYTE_STRING_TYPE ["p"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
let res = x && y && z
x; y; z;
}
let w, x, y, z;
f();
}
"
frame size: 1
parameter count: 2
bytecode array length: 29
bytecodes: [
/* 34 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
B(JumpIfToBooleanFalse), U8(12),
B(LdaImmutableCurrentContextSlot), U8(3),
/* 39 E> */ B(ThrowReferenceErrorIfHole), U8(1),
B(JumpIfToBooleanFalse), U8(6),
B(LdaImmutableCurrentContextSlot), U8(4),
/* 44 E> */ B(ThrowReferenceErrorIfHole), U8(2),
B(Star0),
/* 46 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
/* 49 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
/* 52 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(2),
B(LdaUndefined),
/* 57 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["z"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
let res = x || y || z
x; y; z;
}
let w, x, y, z;
f();
}
"
frame size: 1
parameter count: 2
bytecode array length: 29
bytecodes: [
/* 34 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
B(JumpIfToBooleanTrue), U8(12),
B(LdaImmutableCurrentContextSlot), U8(3),
/* 39 E> */ B(ThrowReferenceErrorIfHole), U8(1),
B(JumpIfToBooleanTrue), U8(6),
B(LdaImmutableCurrentContextSlot), U8(4),
/* 44 E> */ B(ThrowReferenceErrorIfHole), U8(2),
B(Star0),
/* 46 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
/* 49 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
/* 52 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(2),
B(LdaUndefined),
/* 57 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["z"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
let res = x ?? y ?? z
x; y; z;
}
let w, x, y, z;
f();
}
"
frame size: 1
parameter count: 2
bytecode array length: 33
bytecodes: [
/* 34 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
B(JumpIfUndefinedOrNull), U8(4),
B(Jump), U8(14),
B(LdaImmutableCurrentContextSlot), U8(3),
/* 39 E> */ B(ThrowReferenceErrorIfHole), U8(1),
B(JumpIfUndefinedOrNull), U8(4),
B(Jump), U8(6),
B(LdaImmutableCurrentContextSlot), U8(4),
/* 44 E> */ B(ThrowReferenceErrorIfHole), U8(2),
B(Star0),
/* 46 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
/* 49 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
/* 52 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(2),
B(LdaUndefined),
/* 57 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["z"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
({p:42})?.[x]?.[x]?.[y];
x; y;
}
let w, x, y, z;
f();
}
"
frame size: 1
parameter count: 2
bytecode array length: 45
bytecodes: [
/* 24 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(41),
B(Star0),
B(JumpIfUndefinedOrNull), U8(29),
B(LdaImmutableCurrentContextSlot), U8(2),
/* 35 E> */ B(ThrowReferenceErrorIfHole), U8(1),
/* 34 E> */ B(GetKeyedProperty), R(0), U8(1),
B(Star0),
B(JumpIfUndefinedOrNull), U8(19),
B(LdaImmutableCurrentContextSlot), U8(2),
/* 39 E> */ B(GetKeyedProperty), R(0), U8(3),
B(Star0),
B(JumpIfUndefinedOrNull), U8(11),
B(LdaImmutableCurrentContextSlot), U8(3),
/* 45 E> */ B(ThrowReferenceErrorIfHole), U8(2),
/* 44 E> */ B(GetKeyedProperty), R(0), U8(5),
B(Jump), U8(3),
B(LdaUndefined),
/* 49 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(1),
/* 52 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(2),
B(LdaUndefined),
/* 57 S> */ B(Return),
]
constant pool: [
OBJECT_BOILERPLATE_DESCRIPTION_TYPE,
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
x &&= y;
x; y;
}
let w, x, y, z;
f();
}
"
frame size: 0
parameter count: 2
bytecode array length: 20
bytecodes: [
/* 24 S> */ B(LdaCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
B(JumpIfToBooleanFalse), U8(8),
B(LdaImmutableCurrentContextSlot), U8(3),
/* 30 E> */ B(ThrowReferenceErrorIfHole), U8(1),
/* 26 E> */ B(StaCurrentContextSlot), U8(2),
/* 33 S> */ B(LdaCurrentContextSlot), U8(2),
/* 36 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
B(LdaUndefined),
/* 41 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
x ||= y;
x; y;
}
let w, x, y, z;
f();
}
"
frame size: 0
parameter count: 2
bytecode array length: 20
bytecodes: [
/* 24 S> */ B(LdaCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
B(JumpIfToBooleanTrue), U8(8),
B(LdaImmutableCurrentContextSlot), U8(3),
/* 30 E> */ B(ThrowReferenceErrorIfHole), U8(1),
/* 26 E> */ B(StaCurrentContextSlot), U8(2),
/* 33 S> */ B(LdaCurrentContextSlot), U8(2),
/* 36 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
B(LdaUndefined),
/* 41 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
x ??= y;
x; y;
}
let w, x, y, z;
f();
}
"
frame size: 0
parameter count: 2
bytecode array length: 22
bytecodes: [
/* 24 S> */ B(LdaCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
B(JumpIfUndefinedOrNull), U8(4),
B(Jump), U8(8),
B(LdaImmutableCurrentContextSlot), U8(3),
/* 30 E> */ B(ThrowReferenceErrorIfHole), U8(1),
/* 26 E> */ B(StaCurrentContextSlot), U8(2),
/* 33 S> */ B(LdaCurrentContextSlot), U8(2),
/* 36 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
B(LdaUndefined),
/* 41 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
switch (a) {
case x: y; break;
case 42: y; z;
default: y; w;
}
x; y; z; w;
}
let w, x, y, z;
f();
}
"
frame size: 1
parameter count: 2
bytecode array length: 57
bytecodes: [
/* 24 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
/* 44 E> */ B(ThrowReferenceErrorIfHole), U8(0),
B(TestEqualStrict), R(arg0), U8(0),
B(Mov), R(arg0), R(0),
B(JumpIfTrue), U8(11),
B(LdaSmi), I8(42),
B(TestEqualStrict), R(0), U8(0),
B(JumpIfTrue), U8(10),
B(Jump), U8(16),
/* 47 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(1),
/* 50 S> */ B(Jump), U8(18),
/* 68 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(1),
/* 71 S> */ B(LdaImmutableCurrentContextSlot), U8(5),
B(ThrowReferenceErrorIfHole), U8(2),
/* 85 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
B(ThrowReferenceErrorIfHole), U8(1),
/* 88 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(3),
/* 93 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
/* 96 S> */ B(LdaImmutableCurrentContextSlot), U8(4),
/* 99 S> */ B(LdaImmutableCurrentContextSlot), U8(5),
B(ThrowReferenceErrorIfHole), U8(2),
/* 102 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(3),
B(LdaUndefined),
/* 107 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["z"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["w"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
lbl: {
x;
if (a) break lbl;
y;
}
x; y;
}
let w, x, y, z;
f();
}
"
frame size: 0
parameter count: 2
bytecode array length: 24
bytecodes: [
/* 33 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
/* 38 S> */ B(Ldar), R(arg0),
B(JumpIfToBooleanFalse), U8(4),
/* 45 S> */ B(Jump), U8(6),
/* 58 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
/* 63 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
/* 66 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
B(LdaUndefined),
/* 71 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
{
x;
y;
}
x; y;
}
let w, x, y, z;
f();
}
"
frame size: 0
parameter count: 2
bytecode array length: 12
bytecodes: [
/* 28 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
/* 33 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
/* 38 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
/* 41 S> */ B(LdaUndefined),
/* 46 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
]
handlers: [
]
---
snippet: "
{
f = function f(a) {
try {
x;
} catch (e) {}
x;
}
let w, x, y, z;
f();
}
"
frame size: 2
parameter count: 2
bytecode array length: 28
bytecodes: [
B(Mov), R(context), R(0),
/* 32 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
B(Jump), U8(15),
B(Star1),
B(CreateCatchContext), R(1), U8(1),
B(Star0),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(0),
B(PushContext), R(1),
B(PopContext), R(1),
/* 50 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
B(LdaUndefined),
/* 55 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
SCOPE_INFO_TYPE,
]
handlers: [
[3, 7, 9],
]
---
snippet: "
{
f = function f(a) {
try {
x;
} catch (e) { x; }
x;
}
let w, x, y, z;
f();
}
"
frame size: 2
parameter count: 2
bytecode array length: 30
bytecodes: [
B(Mov), R(context), R(0),
/* 32 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
B(Jump), U8(21),
B(Star1),
B(CreateCatchContext), R(1), U8(1),
B(Star0),
B(LdaTheHole),
B(SetPendingMessage),
B(Ldar), R(0),
B(PushContext), R(1),
/* 49 S> */ B(LdaImmutableContextSlot), R(1), U8(2), U8(0),
B(ThrowReferenceErrorIfHole), U8(0),
B(PopContext), R(1),
/* 54 S> */ B(LdaUndefined),
/* 59 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
SCOPE_INFO_TYPE,
]
handlers: [
[3, 7, 9],
]
---
snippet: "
{
f = function f(a) {
try {
x;
} finally { y; }
x; y;
}
let w, x, y, z;
f();
}
"
frame size: 4
parameter count: 2
bytecode array length: 42
bytecodes: [
B(LdaTheHole),
B(Star2),
B(Mov), R(context), R(3),
/* 32 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
B(LdaSmi), I8(-1),
B(Star1),
B(Star0),
B(Jump), U8(8),
B(Star1),
B(LdaZero),
B(Star0),
B(LdaTheHole),
B(SetPendingMessage),
B(Star2),
/* 47 S> */ B(LdaImmutableCurrentContextSlot), U8(3),
B(ThrowReferenceErrorIfHole), U8(1),
B(LdaZero),
B(TestReferenceEqual), R(0),
B(JumpIfFalse), U8(8),
B(Ldar), R(2),
B(SetPendingMessage),
B(Ldar), R(1),
B(ReThrow),
/* 52 S> */ B(LdaImmutableCurrentContextSlot), U8(2),
B(ThrowReferenceErrorIfHole), U8(0),
/* 55 S> */ B(LdaUndefined),
/* 60 S> */ B(Return),
]
constant pool: [
INTERNALIZED_ONE_BYTE_STRING_TYPE ["x"],
INTERNALIZED_ONE_BYTE_STRING_TYPE ["y"],
]
handlers: [
[5, 9, 15],
]
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