ece4e54a31
Reason for revert: needed for properly revertingf3ae5ccf57Original issue's description: > Thread maybe-assigned through the bytecodes. > > This introduces LoadImmutableContextSlot and LoadImmutableCurrentContextSlot > bytecodes, which are emitted when reading from never-assigned context slot. > > There is a subtlety here: the slot are not immutable, the meaning is > actually undefined-or-hole-or-immutable. > > Review-Url: https://codereview.chromium.org/2655733003 > Cr-Commit-Position: refs/heads/master@{#43000} > Committed:17c2dd3886TBR=rmcilroy@chromium.org,bmeurer@chromium.org,neis@chromium.org,jarin@chromium.org # Skipping CQ checks because original CL landed less than 1 days ago. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true Review-Url: https://codereview.chromium.org/2680923003 Cr-Commit-Position: refs/heads/master@{#43011}
123 lines
3.0 KiB
Plaintext
123 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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let x = 10; function f1() {return x;}
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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: 20
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bytecodes: [
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B(CreateFunctionContext), U8(1),
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B(PushContext), R(1),
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B(LdaTheHole),
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B(StaCurrentContextSlot), U8(4),
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B(CreateClosure), U8(0), U8(2), U8(2),
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B(Star), R(0),
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(LdaSmi), I8(10),
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/* 42 E> */ B(StaCurrentContextSlot), U8(4),
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B(LdaUndefined),
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/* 72 S> */ B(Return),
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]
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constant pool: [
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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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let x = 10; function f1() {return x;} return x;
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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: 21
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bytecodes: [
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B(CreateFunctionContext), U8(1),
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B(PushContext), R(1),
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B(LdaTheHole),
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B(StaCurrentContextSlot), U8(4),
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B(CreateClosure), U8(0), U8(2), U8(2),
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B(Star), R(0),
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(LdaSmi), I8(10),
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/* 42 E> */ B(StaCurrentContextSlot), U8(4),
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/* 72 S> */ B(LdaCurrentContextSlot), U8(4),
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/* 82 S> */ B(Return),
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]
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constant pool: [
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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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let x = (x = 20); function f1() {return x;}
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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: 39
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bytecodes: [
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B(CreateFunctionContext), U8(1),
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B(PushContext), R(1),
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B(LdaTheHole),
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B(StaCurrentContextSlot), U8(4),
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B(CreateClosure), U8(0), U8(2), U8(2),
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B(Star), R(0),
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/* 30 E> */ B(StackCheck),
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/* 45 S> */ B(LdaSmi), I8(20),
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B(Star), R(2),
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B(LdaCurrentContextSlot), U8(4),
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B(JumpIfNotHole), U8(11),
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B(LdaConstant), U8(1),
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B(Star), R(3),
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/* 45 E> */ B(CallRuntime), U16(Runtime::kThrowReferenceError), R(3), U8(1),
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B(Ldar), R(2),
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B(StaCurrentContextSlot), U8(4),
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/* 45 E> */ B(StaCurrentContextSlot), U8(4),
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B(LdaUndefined),
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/* 78 S> */ B(Return),
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]
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constant pool: [
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SHARED_FUNCTION_INFO_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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let x = 10; x = 20; function f1() {return x;}
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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: 24
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bytecodes: [
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B(CreateFunctionContext), U8(1),
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B(PushContext), R(1),
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B(LdaTheHole),
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B(StaCurrentContextSlot), U8(4),
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B(CreateClosure), U8(0), U8(2), U8(2),
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B(Star), R(0),
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/* 30 E> */ B(StackCheck),
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/* 42 S> */ B(LdaSmi), I8(10),
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/* 42 E> */ B(StaCurrentContextSlot), U8(4),
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/* 46 S> */ B(LdaSmi), I8(20),
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/* 48 E> */ B(StaCurrentContextSlot), U8(4),
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B(LdaUndefined),
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/* 80 S> */ B(Return),
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]
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constant pool: [
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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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