$67bc40cb delete-super-eval-order.js:4:1 Registers: 10 Blocks: 3 Constants: [0] = String("m") [1] = Undefined [2] = String("x") block0: [ 0] GetLexicalEnvironment dst:reg4 [ 8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0 [ 18] CreateVariable `A`, is_immutable:true, is_global:false, is_strict:false [ 28] SetLexicalEnvironment environment:reg4 [ 30] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("m")] [ 58] InitializeLexicalBinding `A`, src:reg6 [ 70] Jump target:block2 block1: [ 78] Catch dst:reg6 [ 80] SetLexicalEnvironment environment:reg4 [ 88] Mov2 dst1:reg5, src1:Undefined, dst2:reg7, src2:reg5 [ a0] End value:reg5 block2: [ a8] Mov dst:reg6, src:Undefined [ b8] GetGlobal dst:reg9, `A` [ d0] CallConstruct dst:reg8, callee:reg9, A [ e8] GetById dst:reg9, base:reg8, `m` [ 108] Call dst:reg5, callee:reg9, this_value:reg8, .m, arguments:[String("x")] [ 130] Mov2 dst1:reg6, src1:reg5, dst2:reg5, src2:reg6 [ 148] End value:reg5 Exception handlers: [ a8 .. 150] => handler block1 A$ef0589ec Registers: 5 Blocks: 1 Constants: [0] = Undefined block0: [ 0] End value:Undefined m$0f7c4977 delete-super-eval-order.js:6:9 Registers: 7 Blocks: 2 Constants: [0] = Undefined block0: [ 0] ResolveThisBinding [ 8] ResolveSuperBase dst:reg5 [ 10] NewReferenceError dst:reg6, Can't delete a property on 'super' [ 20] Throw src:reg6 block1: [ 28] End value:Undefined