$77163770 destructuring-assignment.js:28:1 Registers: 8 Blocks: 1 Constants: [0] = Undefined block0: [ 0] GetGlobal dst:reg6, `array_destructuring_with_class_default` [ 10] Call dst:reg5, callee:reg6, this_value:Undefined, array_destructuring_with_class_default [ 30] GetGlobal dst:reg7, `object_destructuring_with_function_default` [ 40] Call dst:reg6, callee:reg7, this_value:Undefined, object_destructuring_with_function_default [ 60] GetGlobal dst:reg7, `setter_parameter_resolution` [ 70] Call dst:reg5, callee:reg7, this_value:Undefined, setter_parameter_resolution [ 90] End value:reg5 array_destructuring_with_class_default$5e674578 destructuring-assignment.js:6:10 Registers: 15 Blocks: 18 Locals: x~0 Constants: [0] = Undefined [1] = Bool(false) [2] = Int32(1) [3] = Int32(2) block0: [ 0] GetLexicalEnvironment dst:reg4 [ 8] Mov dst:x~0, src:Undefined [ 18] NewArray dst:reg5, elements:[Undefined] [ 30] Mov dst:reg6, src:Bool(false) [ 40] GetIterator dst_iterator_object:reg7, dst_iterator_next:reg8, dst_iterator_done:reg9, iterable:reg5 [ 58] Jump target:block3 block1: [ 60] Catch dst:reg11 [ 68] SetLexicalEnvironment environment:reg4 [ 70] Mov dst:reg10, src:Int32(1) [ 80] JumpIf condition:reg9, true_target:block13, false_target:block12 block2: [ 90] Return value:x~0 block3: [ 98] Jump target:block5 block4: [ a0] Mov dst:reg12, src:Undefined [ b0] Jump target:block6 block5: [ b8] IteratorNextUnpack dst_value:reg12, dst_done:reg6, iterator_object:reg7, iterator_next:reg8, iterator_done:reg9 [ d0] JumpTrue condition:reg6, target:block4 block6: [ e0] JumpUndefined condition:reg12, true_target:block7, false_target:block8 block7: [ f0] CreateLexicalEnvironment dst:reg13, parent:reg4, capacity:0, is_catch_environment:false [ 108] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:true [ 118] SetLexicalEnvironment environment:reg4 [ 120] NewClass dst:reg14, class_environment:reg13, class_blueprint_index:0 [ 140] Mov dst:reg12, src:reg14 block8: [ 150] Mov dst:x~0, src:reg12 block9: [ 160] JumpFalse condition:reg9, target:block11 block10: [ 170] Return value:x~0 block11: [ 178] IteratorClose iterator_object:reg7, iterator_next:reg8, iterator_done:reg9, completion_value:Undefined [ 190] Jump target:block10 block12: [ 198] JumpStrictlyEquals lhs:reg10, rhs:Int32(1), true_target:block14, false_target:block15 block13: [ 1b0] JumpStrictlyEquals lhs:reg10, rhs:Int32(2), true_target:block16, false_target:block17 block14: [ 1c8] IteratorClose iterator_object:reg7, iterator_next:reg8, iterator_done:reg9, completion_value:reg11 [ 1e0] Throw src:reg11 block15: [ 1e8] IteratorClose iterator_object:reg7, iterator_next:reg8, iterator_done:reg9, completion_value:Undefined [ 200] Jump target:block13 block16: [ 208] Return value:reg11 block17: [ 210] Throw src:reg11 Exception handlers: [ 98 .. b8] => handler block1 [ e0 .. 160] => handler block1 object_destructuring_with_function_default$cadc791a destructuring-assignment.js:12:12 Registers: 8 Blocks: 3 Locals: x~0 Constants: [0] = Undefined block0: [ 0] Mov dst:x~0, src:Undefined [ 10] NewObject dst:reg5 [ 20] ThrowIfNullish src:reg5 [ 28] GetById dst:reg6, base:reg5, `x` [ 40] JumpUndefined condition:reg6, true_target:block1, false_target:block2 block1: [ 50] NewFunction dst:reg7, shared_function_data_index:0 (x) [ 68] Mov dst:reg6, src:reg7 block2: [ 78] Mov dst:x~0, src:reg6 [ 88] Return value:x~0 setter_parameter_resolution$dea2547b destructuring-assignment.js:19:9 Registers: 14 Blocks: 16 Constants: [0] = Undefined [1] = Bool(false) [2] = Int32(1) [3] = Int32(2) block0: [ 0] GetLexicalEnvironment dst:reg4 [ 8] CreateVariable `setValue`, is_immutable:false, is_global:false, is_strict:false [ 18] InitializeVariableBinding `setValue`, src:Undefined [ 30] NewPrimitiveArray dst:reg5, elements:[23] [ 48] Mov dst:reg6, src:Bool(false) [ 58] GetIterator dst_iterator_object:reg7, dst_iterator_next:reg8, dst_iterator_done:reg9, iterable:reg5 [ 70] Jump target:block3 block1: [ 78] Catch dst:reg11 [ 80] SetLexicalEnvironment environment:reg4 [ 88] Mov dst:reg10, src:Int32(1) [ 98] JumpIf condition:reg9, true_target:block11, false_target:block10 block2: [ a8] GetInitializedBinding dst:reg5, `setValue` [ c0] Return value:reg5 block3: [ c8] NewObject dst:reg12 [ d8] NewFunction dst:reg13, shared_function_data_index:0 (set y), home_object:reg12 [ f0] PutById base:reg12, `y`, src:reg13, kind:Setter [ 110] Jump target:block5 block4: [ 118] Mov dst:reg13, src:Undefined [ 128] Jump target:block6 block5: [ 130] IteratorNextUnpack dst_value:reg13, dst_done:reg6, iterator_object:reg7, iterator_next:reg8, iterator_done:reg9 [ 148] JumpTrue condition:reg6, target:block4 block6: [ 158] PutById base:reg12, `y`, src:reg13, kind:Normal block7: [ 178] JumpFalse condition:reg9, target:block9 block8: [ 188] Jump target:block2 block9: [ 190] IteratorClose iterator_object:reg7, iterator_next:reg8, iterator_done:reg9, completion_value:Undefined [ 1a8] Jump target:block8 block10: [ 1b0] JumpStrictlyEquals lhs:reg10, rhs:Int32(1), true_target:block12, false_target:block13 block11: [ 1c8] JumpStrictlyEquals lhs:reg10, rhs:Int32(2), true_target:block14, false_target:block15 block12: [ 1e0] IteratorClose iterator_object:reg7, iterator_next:reg8, iterator_done:reg9, completion_value:reg11 [ 1f8] Throw src:reg11 block13: [ 200] IteratorClose iterator_object:reg7, iterator_next:reg8, iterator_done:reg9, completion_value:Undefined [ 218] Jump target:block11 block14: [ 220] Return value:reg11 block15: [ 228] Throw src:reg11 Exception handlers: [ c8 .. 130] => handler block1 [ 158 .. 178] => handler block1 set y$f1335721 destructuring-assignment.js:21:26 Registers: 6 Blocks: 1 Constants: [0] = Undefined block0: [ 0] ResolveBinding dst:reg5, `setValue` [ 10] SetResolvedBinding environment:reg5, `setValue`, src:arg0 [ 20] End value:Undefined