LineBreakpoint created at frameInlineArgumentInsideInlineFun.kt:16 Run Java Connected to the target VM frameInlineArgumentInsideInlineFun.kt:16 Compile bytecode for element // KT-10674: Debugger: Evaluate Expression / Watches fail for variable/parameter captured from one inline function to another package frameInlineArgumentInsideInlineFun class A { inline fun inlineFun(s: (Int) -> Unit) { val element = 1.0 s(1) } } class B { inline fun foo(s: (Int) -> Unit) { val element = 1 A().inlineFun { //Breakpoint! val e = element } s(1) } } class C { fun bar() { val element = 1f B().foo { val e = element } } } fun main(args: Array) { C().bar() } // PRINT_FRAME // EXPRESSION: element // RESULT: 1: I frame = bar:16, C {frameInlineArgumentInsideInlineFun} this = this = {frameInlineArgumentInsideInlineFun.C@uniqueID} - Class has no fields local = element: float = 1.0 (sp = frameInlineArgumentInsideInlineFun.kt, 13) local = this_$iv: frameInlineArgumentInsideInlineFun.B = {frameInlineArgumentInsideInlineFun.B@uniqueID} (sp = null) - Class has no fields local = element$iv: int = 1 (sp = frameInlineArgumentInsideInlineFun.kt, 13) local = this_$iv$iv: frameInlineArgumentInsideInlineFun.A = {frameInlineArgumentInsideInlineFun.A@uniqueID} (sp = null) - Class has no fields local = element$iv$iv: double = 1.0 (sp = frameInlineArgumentInsideInlineFun.kt, 13) local = it$iv: int = 1 (sp = null) Disconnected from the target VM Process finished with exit code 0