There's some issue with incremental compilation. I...

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[Tomasz Krakowiak]

There's some issue with incremental compilation. In 2 projects I get this exception every second compilation:

[Tomasz Krakowiak]

java.lang.IllegalStateException: Unsupported operation
	at org.jetbrains.kotlin.backend.common.serialization.IrModuleDeserializer.referenceSimpleFunctionByLocalSignature(IrModuleDeserializer.kt:58)
	at org.jetbrains.kotlin.backend.common.serialization.KotlinIrLinker.tryReferencingSimpleFunctionByLocalSignature(KotlinIrLinker.kt:170)
	at org.jetbrains.kotlin.backend.common.overrides.FakeOverrideBuilder.declareFunctionFakeOverride(FakeOverrides.kt:152)
	at org.jetbrains.kotlin.backend.common.overrides.FakeOverrideBuilder.linkFunctionFakeOverride(FakeOverrides.kt:114)
	at org.jetbrains.kotlin.ir.overrides.FakeOverrideBuilderStrategy.linkFakeOverride(IrOverridingUtil.kt:31)
	at org.jetbrains.kotlin.ir.overrides.IrOverridingUtil.createAndBindFakeOverride(IrOverridingUtil.kt:422)
	at org.jetbrains.kotlin.ir.overrides.IrOverridingUtil.createAndBindFakeOverrides(IrOverridingUtil.kt:273)
	at org.jetbrains.kotlin.ir.overrides.IrOverridingUtil.generateOverridesInFunctionGroup(IrOverridingUtil.kt:221)
	at org.jetbrains.kotlin.ir.overrides.IrOverridingUtil.buildFakeOverridesForClass(IrOverridingUtil.kt:157)
	at org.jetbrains.kotlin.backend.common.overrides.FakeOverrideBuilder$buildFakeOverrideChainsForClass$2$1.invoke(FakeOverrides.kt:107)
	at org.jetbrains.kotlin.backend.common.overrides.FakeOverrideBuilder$buildFakeOverrideChainsForClass$2$1.invoke(FakeOverrides.kt:106)
	at org.jetbrains.kotlin.backend.common.serialization.signature.PublicIdSignatureComputer.inFile(IdSignatureSerializer.kt:45)
	at org.jetbrains.kotlin.backend.common.serialization.signature.IdSignatureSerializer.inFile(IdSignatureSerializer.kt:228)
	at org.jetbrains.kotlin.backend.common.serialization.DeclarationTable.inFile(DeclarationTable.kt:62)
	at org.jetbrains.kotlin.backend.common.overrides.FakeOverrideBuilder.buildFakeOverrideChainsForClass(FakeOverrides.kt:106)
	at org.jetbrains.kotlin.backend.common.overrides.FakeOverrideBuilder.provideFakeOverrides(FakeOverrides.kt:171)
	at org.jetbrains.kotlin.backend.common.overrides.FakeOverrideBuilder.provideFakeOverrides(FakeOverrides.kt:181)
	at org.jetbrains.kotlin.backend.common.serialization.KotlinIrLinker.postProcess(KotlinIrLinker.kt:198)
	at org.jetbrains.kotlin.psi2ir.Psi2IrTranslator.generateModuleFragment(Psi2IrTranslator.kt:85)
	at org.jetbrains.kotlin.ir.backend.js.KlibKt.generateModuleFragmentWithPlugins(klib.kt:455)
	at org.jetbrains.kotlin.ir.backend.js.KlibKt.generateKLib(klib.kt:189)
	at org.jetbrains.kotlin.ir.backend.js.KlibKt.generateKLib$default(klib.kt:122)
	at org.jetbrains.kotlin.cli.js.K2JsIrCompiler.doExecute(K2JsIrCompiler.kt:264)
	at org.jetbrains.kotlin.cli.js.K2JSCompiler.doExecute(K2JSCompiler.java:178)
	at org.jetbrains.kotlin.cli.js.K2JSCompiler.doExecute(K2JSCompiler.java:71)
	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:92)
	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:44)
	at org.jetbrains.kotlin.cli.common.CLITool.exec(CLITool.kt:98)
	at org.jetbrains.kotlin.incremental.IncrementalJsCompilerRunner.runCompiler(IncrementalJsCompilerRunner.kt:193)
	at org.jetbrains.kotlin.incremental.IncrementalJsCompilerRunner.runCompiler(IncrementalJsCompilerRunner.kt:78)
	at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compileIncrementally(IncrementalCompilerRunner.kt:357)
	at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compileIncrementally$default(IncrementalCompilerRunner.kt:299)
	at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compileImpl(IncrementalCompilerRunner.kt:159)
	at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compile(IncrementalCompilerRunner.kt:80)
	at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compile$default(IncrementalCompilerRunner.kt:71)
	at org.jetbrains.kotlin.daemon.CompileServiceImplBase.execJsIncrementalCompiler(CompileServiceImpl.kt:564)
	at org.jetbrains.kotlin.daemon.CompileServiceImplBase.access$execJsIncrementalCompiler(CompileServiceImpl.kt:100)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:1802)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:359)
	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200)
	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:562)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:796)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:677)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:676)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:829)

[Tomasz Krakowiak]

Maybe it's this one - https://youtrack.jetbrains.com/issue/KT-44718
Marked Obsolete...