Call script from script; exit code issues

i have verified in simple pair of scripts can feed exit code calling script. "parent" test little more than 

powershell.exe -file "$scriptpath\child.ps1"
write-host "$lastexitcode!!!"

and child script just

exit 1

and write-host comes correctly. have tried 2 different child scripts, different rerun codes, being called parent back. good.

however, in more complicated script, child script has conditional exits, getting 0 time. conditional looks this

        

if ($global:memberofset) {
    if ($global:erroroccured) {
        write-host '1'
        exit 1
    }
    else {

        write-host '0'
        exit 0
    }
}

and when 1 echoes, still $lastexitcode of 0.

is there known issue here not aware of? using ps 2.0, fwiw.

thanks!

um, no, more remmed out [cmdletbinding()] @ top of each child script , no other changes working should. not sure why worked, not imagining it.

for shits , giggles added binding in little test script set, , broken, no other changes. hadn't created test obviously, wasn't expecting binding matter. love hear explanation why would

for wanting see behavior, these 3 test scripts, , run arch script. binding enabled dtv show 1, return 0. rem bindings , dtv will correctly return 1. tested rvt not memberofset, -1 returned, , $lastexitcode shows wonky number expected given bug in 2.0 , negative return codes. 

note: in test argument in child scripts not used, it's there avoid error otherwise when binding. in "live" code arguments are mandatory , used.

arch_2015.ps1

powershell.exe -file "rvt_2015.ps1"
    write-host "$lastexitcode!"
    
powershell.exe -file "dtv_2015.ps1"
    write-host "$lastexitcode!"

dtv_2015.ps1

[cmdletbinding()]
param ([string]$mode)

$global:memberofset = $true
$global:erroroccured = $true
if ($global:memberofset) {
    if ($global:erroroccured) {
        write-host 'dtv 1'
        exit 1
    }
    else {
        write-host 'dtv 0'
        exit 0
    }
}
else {
    write-host 'rvt -1'
    exit -1
}

rvt_2015.ps1

[cmdletbinding()]
param ([string]$mode)

$global:memberofset = $true
$global:erroroccured = $false
if ($global:memberofset) {
    if ($global:erroroccured) {
        write-host 'rvt 1'
        exit 1
    }
    else {
        write-host 'rvt 0'
        exit 0
    }
}
else {
    write-host 'rvt -1'
    exit -1
}

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