29dc4df4e5
The Annex B.3.4 spec change requires distinguishing catch clause environments from other lexical environments when checking for var/let conflicts in eval, which is now tracked via a flag on DeclarativeEnvironment and propagated through the CreateLexicalEnvironment bytecode instruction from the Rust codegen.
47 lines
1.3 KiB
Text
47 lines
1.3 KiB
Text
$84f4cb35 using-declaration-non-local-env.js:1:1
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Registers: 9
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Blocks: 3
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Locals: e~0
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Constants:
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[0] = Undefined
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block0:
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[ 0] GetLexicalEnvironment dst:reg4
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[ 8] Jump target:block2
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block1:
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[ 10] Catch dst:reg5
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[ 18] SetLexicalEnvironment environment:reg4
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[ 20] Mov3 dst1:e~0, src1:reg5, dst2:reg6, src2:Undefined, dst3:reg7, src3:reg6
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[ 40] End value:reg6
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block2:
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[ 48] Mov dst:reg5, src:Undefined
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[ 58] NewFunction dst:reg8, shared_function_data_index:0
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[ 70] Call dst:reg6, callee:reg8, this_value:Undefined
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[ 90] Mov2 dst1:reg5, src1:reg6, dst2:reg6, src2:reg5
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[ a8] End value:reg6
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Exception handlers:
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[ 48 .. b0] => handler block1
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$66e73949 using-declaration-non-local-env.js:1:21
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Registers: 8
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Blocks: 2
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Constants:
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[0] = Undefined
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block0:
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[ 0] GetLexicalEnvironment dst:reg4
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[ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
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[ 20] CreateImmutableBinding environment:reg5, `x`, strict_binding:true
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[ 30] NewTypeError dst:reg6, TODO: UsingDeclaration
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[ 40] SetLexicalEnvironment environment:reg4
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[ 48] Throw src:reg6
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block1:
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[ 50] NewFunction dst:reg7, shared_function_data_index:0
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[ 68] Call dst:reg6, callee:reg7, this_value:Undefined
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[ 88] SetLexicalEnvironment environment:reg4
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[ 90] End value:Undefined
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