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Hi all. I think i found a compiler bug, but want t...
# multiplatform
x
Hi all. I think i found a compiler bug, but want to check if this is not my bad and not already raised elsewhere. I have some 
expect
apis that looks like this
Copy code
expect class BackgroundWorkData
expect fun emptyData(): BackgroundWorkData
expect inline fun <reified T : BackgroundWorker> oneTimeWork(
  input: BackgroundWorkData = emptyData(),
): BackgroundOneTimeWorkRequest
where 
actual
definitions are delegated to 
androidx
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actual typealias BackgroundWorkData = Data
actual fun emptyData(): BackgroundWorkData = workDataOf()
actual inline fun <reified T : BackgroundWorker> oneTimeWork(
  input: BackgroundWorkData,
): BackgroundOneTimeWorkRequest = OneTimeWorkRequestBuilder<T>()
    .setInputData(input)
    .build()
which gives me this
Copy code
The root cause java.lang.RuntimeException was thrown at: org.jetbrains.kotlin.backend.jvm.codegen.FunctionCodegen.generate(FunctionCodegen.kt:51)
Full log in thread 🧵 Am i doing something wrong? this used to work before 1.8. Also, once i remove the default argument in the expect signature, it seems to work again
Full log
Copy code
org.jetbrains.kotlin.backend.common.BackendException: Backend Internal error: Exception during IR lowering
File being compiled: /Users/TFNX46/Developer/MULTIPLATFORM/PSCore-Multiplatform/core/src/androidMain/kotlin/au/com/gridstone/pscore/core/background/BackgroundWorkers.kt
The root cause java.lang.RuntimeException was thrown at: org.jetbrains.kotlin.backend.jvm.codegen.FunctionCodegen.generate(FunctionCodegen.kt:51)
	at org.jetbrains.kotlin.backend.common.CodegenUtil.reportBackendException(CodegenUtil.kt:253)
	at org.jetbrains.kotlin.backend.common.CodegenUtil.reportBackendException$default(CodegenUtil.kt:237)
	at org.jetbrains.kotlin.backend.common.phaser.PerformByIrFilePhase.invokeSequential(performByIrFile.kt:68)
	at org.jetbrains.kotlin.backend.common.phaser.PerformByIrFilePhase.invoke(performByIrFile.kt:55)
	at org.jetbrains.kotlin.backend.common.phaser.PerformByIrFilePhase.invoke(performByIrFile.kt:41)
	at org.jetbrains.kotlin.backend.common.phaser.NamedCompilerPhase.phaseBody(CompilerPhase.kt:147)
	at org.jetbrains.kotlin.backend.common.phaser.AbstractNamedCompilerPhase.invoke(CompilerPhase.kt:94)
	at org.jetbrains.kotlin.backend.common.phaser.CompositePhase.invoke(PhaseBuilders.kt:29)
	at org.jetbrains.kotlin.backend.common.phaser.CompositePhase.invoke(PhaseBuilders.kt:16)
	at org.jetbrains.kotlin.backend.common.phaser.NamedCompilerPhase.phaseBody(CompilerPhase.kt:147)
	at org.jetbrains.kotlin.backend.common.phaser.AbstractNamedCompilerPhase.invoke(CompilerPhase.kt:94)
	at org.jetbrains.kotlin.backend.common.phaser.CompilerPhaseKt.invokeToplevel(CompilerPhase.kt:43)
	at org.jetbrains.kotlin.backend.jvm.JvmIrCodegenFactory.invokeCodegen(JvmIrCodegenFactory.kt:321)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.runCodegen(KotlinToJVMBytecodeCompiler.kt:348)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules$cli(KotlinToJVMBytecodeCompiler.kt:123)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules$cli$default(KotlinToJVMBytecodeCompiler.kt:47)
	at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:168)
	at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:53)
	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:100)
	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:46)
	at org.jetbrains.kotlin.cli.common.CLITool.exec(CLITool.kt:101)
	at org.jetbrains.kotlin.incremental.IncrementalJvmCompilerRunner.runCompiler(IncrementalJvmCompilerRunner.kt:495)
	at org.jetbrains.kotlin.incremental.IncrementalJvmCompilerRunner.runCompiler(IncrementalJvmCompilerRunner.kt:133)
	at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.doCompile(IncrementalCompilerRunner.kt:486)
	at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compileImpl(IncrementalCompilerRunner.kt:409)
	at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.tryCompileIncrementally$lambda$2$compile(IncrementalCompilerRunner.kt:210)
	at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.tryCompileIncrementally(IncrementalCompilerRunner.kt:241)
	at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compile(IncrementalCompilerRunner.kt:103)
	at org.jetbrains.kotlin.daemon.CompileServiceImplBase.execIncrementalCompiler(CompileServiceImpl.kt:627)
	at org.jetbrains.kotlin.daemon.CompileServiceImplBase.access$execIncrementalCompiler(CompileServiceImpl.kt:101)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:1587)
	at jdk.internal.reflect.GeneratedMethodAccessor107.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:360)
	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200)
	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:712)
	at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:587)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:705)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:704)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.lang.RuntimeException: Exception while generating code for:
FUN FUNCTION_FOR_DEFAULT_PARAMETER name:oneTimeWork$default visibility:public modality:FINAL <T> (input:androidx.work.Data?, $mask0:<http://kotlin.Int|kotlin.Int>, $handler:kotlin.Any?) returnType:androidx.work.OneTimeWorkRequest [inline]
  TYPE_PARAMETER name:T index:0 variance: superTypes:[androidx.work.CoroutineWorker] reified:true
  VALUE_PARAMETER name:input index:0 type:androidx.work.Data? [assignable]
    EXPRESSION_BODY
      ERROR_EXPR 'Default Stub' type=androidx.work.Data{ au.com.gridstone.pscore.core.background.BackgroundWorkersKt.BackgroundWorkData }
  VALUE_PARAMETER MASK_FOR_DEFAULT_FUNCTION name:$mask0 index:1 type:<http://kotlin.Int|kotlin.Int>
  VALUE_PARAMETER METHOD_HANDLER_IN_DEFAULT_FUNCTION name:$handler index:2 type:kotlin.Any?
  BLOCK_BODY
    WHEN type=kotlin.Unit origin=null
      BRANCH
        if: CALL 'public final fun not (): kotlin.Boolean [operator] declared in kotlin.Boolean' type=kotlin.Boolean origin=EXCLEQ
          $this: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in <http://kotlin.internal.ir|kotlin.internal.ir>' type=kotlin.Boolean origin=EXCLEQ
            arg0: CALL 'public final fun and (other: <http://kotlin.Int|kotlin.Int>): <http://kotlin.Int|kotlin.Int> [infix] declared in <http://kotlin.Int|kotlin.Int>' type=<http://kotlin.Int|kotlin.Int> origin=null
              $this: GET_VAR '$mask0: <http://kotlin.Int|kotlin.Int> declared in au.com.gridstone.pscore.core.background.BackgroundWorkersKt.oneTimeWork$default' type=<http://kotlin.Int|kotlin.Int> origin=null
              other: CONST Int type=<http://kotlin.Int|kotlin.Int> value=1
            arg1: CONST Int type=<http://kotlin.Int|kotlin.Int> value=0
        then: SET_VAR 'input: androidx.work.Data? [assignable] declared in au.com.gridstone.pscore.core.background.BackgroundWorkersKt.oneTimeWork$default' type=kotlin.Unit origin=EQ
          CALL 'public final fun emptyData (): androidx.work.Data{ au.com.gridstone.pscore.core.background.BackgroundWorkData } declared in au.com.gridstone.pscore.core.background' type=androidx.work.Data{ au.com.gridstone.pscore.core.background.BackgroundWorkData } origin=null
    RETURN type=kotlin.Nothing from='public final fun oneTimeWork$default <T> (input: androidx.work.Data?, $mask0: <http://kotlin.Int|kotlin.Int>, $handler: kotlin.Any?): androidx.work.OneTimeWorkRequest [inline] declared in au.com.gridstone.pscore.core.background.BackgroundWorkersKt'
      CALL 'public final fun oneTimeWork <T> (input: androidx.work.Data{ au.com.gridstone.pscore.core.background.BackgroundWorkersKt.BackgroundWorkData }): androidx.work.OneTimeWorkRequest{ au.com.gridstone.pscore.core.background.BackgroundWorkersKt.BackgroundOneTimeWorkRequest } [inline] declared in au.com.gridstone.pscore.core.background.BackgroundWorkersKt' type=androidx.work.OneTimeWorkRequest{ au.com.gridstone.pscore.core.background.BackgroundWorkersKt.BackgroundOneTimeWorkRequest } origin=DEFAULT_STUB_CALL_TO_IMPLEMENTATION
        <T>: T of au.com.gridstone.pscore.core.background.BackgroundWorkersKt.oneTimeWork$default
        input: TYPE_OP type=androidx.work.Data{ au.com.gridstone.pscore.core.background.BackgroundWorkersKt.BackgroundWorkData } origin=IMPLICIT_CAST typeOperand=androidx.work.Data{ au.com.gridstone.pscore.core.background.BackgroundWorkersKt.BackgroundWorkData }
          GET_VAR 'input: androidx.work.Data? [assignable] declared in au.com.gridstone.pscore.core.background.BackgroundWorkersKt.oneTimeWork$default' type=androidx.work.Data? origin=null

	at org.jetbrains.kotlin.backend.jvm.codegen.FunctionCodegen.generate(FunctionCodegen.kt:51)
	at org.jetbrains.kotlin.backend.jvm.codegen.FunctionCodegen.generate$default(FunctionCodegen.kt:43)
	at org.jetbrains.kotlin.backend.jvm.codegen.ClassCodegen.generateMethodNode(ClassCodegen.kt:397)
	at org.jetbrains.kotlin.backend.jvm.codegen.ClassCodegen.generateMethod(ClassCodegen.kt:408)
	at org.jetbrains.kotlin.backend.jvm.codegen.ClassCodegen.generate(ClassCodegen.kt:170)
	at org.jetbrains.kotlin.backend.jvm.FileCodegen.lower(JvmPhases.kt:44)
	at org.jetbrains.kotlin.backend.common.phaser.FileLoweringPhaseAdapter.invoke(PhaseBuilders.kt:120)
	at org.jetbrains.kotlin.backend.common.phaser.FileLoweringPhaseAdapter.invoke(PhaseBuilders.kt:116)
	at org.jetbrains.kotlin.backend.common.phaser.NamedCompilerPhase.phaseBody(CompilerPhase.kt:147)
	at org.jetbrains.kotlin.backend.common.phaser.AbstractNamedCompilerPhase.invoke(CompilerPhase.kt:94)
	at org.jetbrains.kotlin.backend.common.phaser.PerformByIrFilePhase.invokeSequential(performByIrFile.kt:65)
	... 44 more
Caused by: java.lang.IllegalArgumentException: Unhandled intrinsic in ExpressionCodegen: FUN name:emptyData visibility:public modality:FINAL <> () returnType:androidx.work.Data{ au.com.gridstone.pscore.core.background.BackgroundWorkData }
	at org.jetbrains.kotlin.backend.jvm.codegen.ExpressionCodegen.visitCall(ExpressionCodegen.kt:480)
	at org.jetbrains.kotlin.backend.jvm.codegen.ExpressionCodegen.visitCall(ExpressionCodegen.kt:132)
	at org.jetbrains.kotlin.ir.expressions.IrCall.accept(IrCall.kt:25)
	at org.jetbrains.kotlin.backend.jvm.codegen.ExpressionCodegen.visitSetValue(ExpressionCodegen.kt:797)
	at org.jetbrains.kotlin.backend.jvm.codegen.ExpressionCodegen.visitSetValue(ExpressionCodegen.kt:132)
	at org.jetbrains.kotlin.ir.expressions.IrSetValue.accept(IrSetValue.kt:25)
	at org.jetbrains.kotlin.backend.jvm.codegen.ExpressionCodegen.visitWhen(ExpressionCodegen.kt:960)
	at org.jetbrains.kotlin.backend.jvm.codegen.ExpressionCodegen.visitWhen(ExpressionCodegen.kt:132)
	at org.jetbrains.kotlin.ir.expressions.IrWhen.accept(IrWhen.kt:25)
	at org.jetbrains.kotlin.backend.jvm.codegen.ExpressionCodegen.visitStatementContainer(ExpressionCodegen.kt:459)
	at org.jetbrains.kotlin.backend.jvm.codegen.ExpressionCodegen.visitBlockBody(ExpressionCodegen.kt:463)
	at org.jetbrains.kotlin.backend.jvm.codegen.ExpressionCodegen.visitBlockBody(ExpressionCodegen.kt:132)
	at org.jetbrains.kotlin.ir.expressions.IrBlockBody.accept(IrBlockBody.kt:24)
	at org.jetbrains.kotlin.backend.jvm.codegen.ExpressionCodegen.generate(ExpressionCodegen.kt:238)
	at org.jetbrains.kotlin.backend.jvm.codegen.FunctionCodegen.doGenerate(FunctionCodegen.kt:122)
	at org.jetbrains.kotlin.backend.jvm.codegen.FunctionCodegen.generate(FunctionCodegen.kt:47)
	... 54 more

Errors were stored into /Users/TFNX46/Developer/MULTIPLATFORM/PSCore-Multiplatform/.gradle/kotlin/errors/errors-1684363138449.log
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