JS bytecode executable ""
[   0]    0: GetLexicalEnvironment dst:reg4
[   8]       GetGlobal dst:reg6, identifier:f
[  18]       Call dst:reg5, callee:reg6, this_value:Undefined, f, arguments:[Int32(1), Int32(2), Int32(3)]
[  48]       End value:reg5

JS bytecode executable "f"
[   0]    0: GetLexicalEnvironment dst:reg4
[   8]       CreateVariable identifier:a, is_immutable:false, is_global:false, is_strict:false
[  18]       CreateVariable identifier:b, is_immutable:false, is_global:false, is_strict:false
[  28]       CreateVariable identifier:c, is_immutable:false, is_global:false, is_strict:false
[  38]       InitializeLexicalBinding identifier:a, src:arg0
[  50]       InitializeLexicalBinding identifier:b, src:arg1
[  68]       InitializeLexicalBinding identifier:c, src:arg2
[  80]       Mov dst:inner~0, src:Undefined
[  90]       NewFunction dst:reg5, shared_function_data_index:0, lhs_name:inner
[  a8]       Mov dst:inner~0, src:reg5
[  b8]       Mov dst:reg6, src:inner~0
[  c8]       Call dst:reg5, callee:reg6, this_value:Undefined, inner
[  e8]       Return value:reg5

JS bytecode executable "inner"
[   0]    0: GetLexicalEnvironment dst:reg4
[   8]       GetBinding dst:reg5, identifier:a
[  20]       GetBinding dst:reg6, identifier:b
[  38]       Add dst:reg7, lhs:reg5, rhs:reg6
[  48]       GetBinding dst:reg5, identifier:c
[  60]       Add dst:reg6, lhs:reg7, rhs:reg5
[  70]       Return value:reg6