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Since LocalDeclarationsLowering is a BodyLoweringPass, local functions inside one declaration are handled independently of local functions in the other declaration. This can lead to name clashes, in case a local function with the same name and signature is declared in overloads in the same container, which results in a signature clash error in JVM IR. The issue became more common with the introduction of adapted function references, where psi2ir generates a local adapter-function with a predefined name, which can easily clash with another reference to the same target in an overload. This led to a compilation error when bootstrapping Kotlin with JVM IR, for example in GradleIRBuilder.kt where there are a lot of references to the same function.