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JVM_IR: fix NPE in interface companion initializers

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* When referencing the companion itself, they should use the $$INSTANCE
  field, not the (null until <clinit> returns) Companion field of the
  interface.

* Interface companion init blocks should be made static.
This commit is contained in:
pyos
2019-11-05 13:23:29 +01:00
committed by max-kammerer
parent 7c015564ce
commit 939a9ff53e
11 changed files with 83 additions and 129 deletions
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compiler/testData/codegen/box/objects/interfaceCompanion.kt
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@@ -1,5 +1,4 @@
// IGNORE_BACKEND_FIR: JVM_IR
// IGNORE_BACKEND: JVM_IR
// Inside of the companion we have to access the instance through the local Companion field,
// not by indirection through the Companion field of the enclosing class.
// Class initialization might not have finished yet.