KT element: KtBinaryExpression
FIR element: FirVariableAssignmentImpl
FIR source kind: KtRealSourceElementKind

FIR element rendered:
R|<local>/i| = R|<local>/i|.R|kotlin/Int.plus|(Int(1))

FIR FILE:
FILE: [ResolvedTo(IMPORTS)] compoundAssignOnVar.kt
    public final [ResolvedTo(BODY_RESOLVE)] fun test(): R|kotlin/Unit| {
        [ResolvedTo(BODY_RESOLVE)] lvar i: R|kotlin/Int| = Int(1)
        R|<local>/i| = R|<local>/i|.R|kotlin/Int.plus|(Int(1))
    }