native/native.tests/testData/lldb/unitArg.out

(lldb) target create <path to executable>
Current executable set to <path to executable>.
(lldb) settings set stop-disassembly-display never
(lldb) command script import <path to lldb script>
(lldb) b main.kt:9
Breakpoint 1: where = lldb_unitArg.kexe`kfun:#main(kotlin.Array<kotlin.String>){} + <breakpoint offset> at main.kt:9:5, address = <memory address>
(lldb) r
Process <process id> launched: <path to executable>
Process <process id> stopped
* thread #<thread id>, stop reason = breakpoint 1.1
    frame #0: <frame pc> lldb_unitArg.kexe`kfun:#main(args=[]){} at main.kt:9:5
   6   	fun test(arg: Unit): Unit {}
   7   	
   8   	fun main(args: Array<String>) {
-> 9   	    test(Unit)
    	    ^
   10  	    return
   11  	}
(lldb) thread step-in
Process <process id> stopped
* thread #<thread id>, stop reason = step in
    frame #0: <frame pc> lldb_unitArg.kexe`kfun:#test(arg=kotlin.Unit){} at main.kt:6:1
   3   	// OUTPUT_DATA_FILE: unitArg.out
   4   	
   5   	
-> 6   	fun test(arg: Unit): Unit {}
    	^
   7   	
   8   	fun main(args: Array<String>) {
   9   	    test(Unit)
(lldb) fr var arg
(ObjHeader *) arg = kotlin.Unit
(lldb) q