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[NI] Remove lambda coersion to Unit in case of error return type(s)

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Coersion to Unit from error type leads to misleading type mismatches:
"expected <expected lambda return type> found Unit", despite no user-provided Unit / empty lambda.
These diagnostics were collected, but not reported before, and that had been disguising the issue for a while.

KT-34729 Fixed
This commit is contained in:
Pavel Kirpichenkov
2020-01-20 19:25:35 +03:00
parent 3a98c84105
commit c5893913f3
39 changed files with 263 additions and 46 deletions
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compiler/testData/diagnostics/tests/inference/recursiveCalls/kt23531.kt
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+4 -4
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@@ -13,7 +13,7 @@ fun insideJob1() = doTheJob1()
suspend fun insideJob2() = doTheJob2()
suspend fun insideJob3() = doTheJob3()
fun doTheJob0() = simpleAsync0 { <!TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM!><!DEBUG_INFO_MISSING_UNRESOLVED!>insideJob0<!>()<!> }
fun doTheJob1() = simpleAsync1 { <!TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM!><!DEBUG_INFO_MISSING_UNRESOLVED!>insideJob1<!>()<!> }
suspend fun doTheJob2() = simpleAsync2 { <!TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM!><!DEBUG_INFO_MISSING_UNRESOLVED!>insideJob2<!>()<!> }
suspend fun doTheJob3() = simpleAsync3 { <!TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM!><!DEBUG_INFO_MISSING_UNRESOLVED!>insideJob3<!>()<!> }
fun doTheJob0() = <!NI;NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>simpleAsync0<!> { <!TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM!><!DEBUG_INFO_MISSING_UNRESOLVED!>insideJob0<!>()<!> }
fun doTheJob1() = <!NI;NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>simpleAsync1<!> { <!TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM!><!DEBUG_INFO_MISSING_UNRESOLVED!>insideJob1<!>()<!> }
suspend fun doTheJob2() = <!NI;NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>simpleAsync2<!> { <!TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM!><!DEBUG_INFO_MISSING_UNRESOLVED!>insideJob2<!>()<!> }
suspend fun doTheJob3() = <!NI;NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>simpleAsync3<!> { <!TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM!><!DEBUG_INFO_MISSING_UNRESOLVED!>insideJob3<!>()<!> }