$1f56e90a super-optional-call-this.js:1:1 Registers: 8 Blocks: 1 Constants: [0] = String("method") [1] = Undefined block0: [ 0] GetLexicalEnvironment dst:reg4 [ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false [ 20] CreateVariable `Base`, is_immutable:true, is_global:false, is_strict:true [ 30] SetLexicalEnvironment environment:reg4 [ 38] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("method")] [ 60] DynamicInitializeLexicalBinding `Base`, src:reg6 [ 70] CreateLexicalEnvironment dst:reg6, parent:reg4, capacity:0, is_catch_environment:false [ 88] CreateVariable `Foo`, is_immutable:true, is_global:false, is_strict:true [ 98] GetGlobal dst:reg5, `Base` [ a8] SetLexicalEnvironment environment:reg4 [ b0] NewClass dst:reg7, super_class:reg5, class_environment:reg6, class_blueprint_index:1, element_keys:[element_keys:String("method")] [ d8] DynamicInitializeLexicalBinding `Foo`, src:reg7 [ e8] GetGlobal dst:reg5, `Foo` [ f8] CallConstruct dst:reg6, callee:reg5, Foo [ 110] GetById dst:reg5, base:reg6, `method` [ 128] Call dst:reg7, callee:reg5, this_value:reg6, .method [ 148] End value:reg7 Foo$fbafd3fe super-optional-call-this.js:4:1 Registers: 8 Blocks: 1 block0: [ 0] CreateVariable `args`, is_immutable:false, is_global:false, is_strict:false [ 10] CreateRestParams dst:arg0, rest_index:0 [ 20] InitializeLexicalBinding `args`, src:arg0 [ 38] GetSuperConstructor dst:reg5 [ 40] GetBinding dst:reg6, `args` [ 58] SuperCallWithArgumentArray dst:reg7, super_constructor:reg5, arguments:reg6, is_synthetic:true [ 70] Return value:reg7 Base$a461b108 Registers: 5 Blocks: 1 Constants: [0] = Undefined block0: [ 0] End value:Undefined method$25bff8b5 super-optional-call-this.js:6:9 Registers: 9 Blocks: 3 Constants: [0] = Undefined block0: [ 0] Mov dst:reg5, src:Undefined [ 10] ResolveThisBinding [ 18] ResolveSuperBase dst:reg7 [ 20] GetByIdWithThis dst:reg8, base:reg7, `method`, this_value:this [ 38] Mov2 dst1:reg5, src1:this, dst2:reg6, src2:reg8 [ 50] JumpNullish condition:reg6, true_target:block1, false_target:block2 block1: [ 60] Mov dst:reg6, src:Undefined [ 70] Return value:reg6 block2: [ 78] NewArray dst:reg7 [ 88] CallWithArgumentArray dst:reg6, callee:reg6, this_value:reg5, arguments:reg7 [ a0] Mov dst:reg5, src:Undefined [ b0] Return value:reg6 method$6c22ae6a Registers: 5 Blocks: 1 Constants: [0] = Undefined block0: [ 0] End value:Undefined